CN109434707B - Clamp for assisting in forming V-shaped thrust rod - Google Patents

Clamp for assisting in forming V-shaped thrust rod Download PDF

Info

Publication number
CN109434707B
CN109434707B CN201811361355.8A CN201811361355A CN109434707B CN 109434707 B CN109434707 B CN 109434707B CN 201811361355 A CN201811361355 A CN 201811361355A CN 109434707 B CN109434707 B CN 109434707B
Authority
CN
China
Prior art keywords
rod
clamping
clamping piece
threaded
clamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811361355.8A
Other languages
Chinese (zh)
Other versions
CN109434707A (en
Inventor
艾子健
林泽烽
林嘉伟
余昌杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanming University
Original Assignee
Sanming University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanming University filed Critical Sanming University
Priority to CN201811361355.8A priority Critical patent/CN109434707B/en
Publication of CN109434707A publication Critical patent/CN109434707A/en
Application granted granted Critical
Publication of CN109434707B publication Critical patent/CN109434707B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B23Q3/064Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles

Abstract

The invention aims to provide a convenient V-shaped thrust rod hot riveting clamping device which comprises a straight end limiting plate, a front jacking block, supporting rods, a main rod, a threaded screw rod, a threaded guide pipe and a manual rotary table, wherein the straight end limiting plate is embedded with the front jacking block through a guide rail and a guide groove, the front jacking block is mounted at one end of the supporting rods through bolt connection in a matched manner, the two supporting rods and the main rod are mounted through bolt connection in a matched manner to form a linkage part, a full-package round cavity at one side of the main rod is connected with a round rod head at one side of the threaded screw rod, the threaded screw rod is mounted with the threaded guide pipe in a matched manner, and the other side of the threaded screw rod is connected with the manual rotary table. According to the invention, complicated screw mounting and dismounting are replaced by the action of rotating the turntable, and the clamping and loosening actions of the clamping device can be realized only by rotating the turntable.

Description

Clamp for assisting in forming V-shaped thrust rod
Technical Field
The invention relates to the field of tool clamps, in particular to a clamp for assisting in forming a V-shaped thrust rod.
Background
The hot riveting of the V-shaped thrust rod is a difficult point and key in the production of the V-shaped thrust rod, and because the workpiece is heated and then extruded and deformed, the workpiece is cooled and shaped once after the processing is finished, and the workpiece can hardly be reworked when the riveting is disqualified, the requirement on the hot riveting clamp is higher. At present, most of the hot riveting clamps used by V-shaped thrusting rod factories have a lot of defects, when V-shaped thrusting rods of different types are produced, the dies and the clamps on the clamps are required to be replaced by parts with corresponding angles and lengths, and the workpieces are required to be clamped, positioned and loosened by manually screwing screws, so that a great deal of manpower and time are required in the screwing and loosening process, and the production efficiency is extremely influenced. Meanwhile, the existing V-shaped thrust rod hot riveting clamp clamps workpieces by manually screwing screws, so that the positioning accuracy is poor, the V-shaped thrust rod is easy to deviate beyond the allowable range, the problem that the V-shaped thrust rod cannot be installed during installation is caused, the overall quality of the workpieces is seriously affected, and a large amount of processing auxiliary time is consumed.
Therefore, the prior art not only wastes a great deal of processing time and reduces the production efficiency, but also reduces the yield of production.
Disclosure of Invention
Aiming at the problems, the invention provides a clamp for assisting in forming a V-shaped thrust rod, which aims to overcome the defect that the existing V-shaped thrust rod hot riveting clamp clamps workpieces in a manual screwing mode, and in the process, parts on the clamp do not need to be replaced.
The specific technical scheme of the clamp for assisting the molding of the V-shaped thrust rod is as follows:
a clamp for assisting in the shaping of a V-shaped thrust rod, comprising: the clamping device is used for enabling the two rods to be matched to form the V-shaped thrust rod to be arranged oppositely according to a preset included angle.
The clamping device comprises: a base; two fixture, control relative setting, and all contain respectively: the base comprises a supporting plate arranged on the base, a first clamping piece arranged on the supporting plate and a second clamping piece arranged on the first clamping piece; a clamping channel used for clamping the end part of the rod piece is formed between the first clamping piece and the second clamping piece, the first clamping piece and the second clamping piece are connected with each other through a limiting structure, the second clamping piece can move relative to the first clamping piece to adjust the size of the clamping channel, and the first clamping piece and the second clamping piece can move linearly relative to the supporting plate or rotate relative to each other within a preset angle range to adjust the clamping position of the workpiece;
the adjusting mechanism is used for driving the second clamping piece of the two clamping mechanisms to move relative to the first clamping piece so as to clamp or release the two rod pieces when the end parts of the two rod pieces are respectively clamped in the clamping channels of the two clamping mechanisms correspondingly;
the adjusting mechanism comprises: a main lever; the two support rods are respectively arranged at the left side and the right side of the main rod and correspond to the second clamping pieces of the two clamping mechanisms one by one; the first end part of each supporting rod is hinged to the corresponding second clamping piece, and the second end part of each supporting rod is hinged to the first end part of the main rod; and the driving assembly drives the main rod to move back and forth.
The fixing holes are formed in the first clamping pieces and arc grooves with preset radians, the supporting plates are provided with first guide grooves and second guide grooves below the corresponding first clamping pieces, the fixing holes are connected with the first guide grooves through bolts and nuts, the arc grooves are connected with the second guide grooves through bolts and nuts, the first clamping pieces are connected with the supporting plates, and the first clamping pieces can linearly move relative to the supporting plates and rotate in preset angles.
The second clamping piece comprises a hinge part hinged with the support rod on the corresponding side, and can rotate or move relatively around the hinge part relative to the support rod on the corresponding side; the second clamping piece further comprises a clamping plate which forms the clamping channel with the first clamping piece, and the hinge part is arranged on one side of the clamping plate.
The driving assembly comprises a threaded lead screw, a threaded guide pipe fixed on the base and a rotating disc; the middle part of the threaded screw rod is provided with an external thread, the threaded guide pipe is in threaded connection with the threaded screw rod through an internal thread of the threaded guide pipe, one end of the threaded screw rod is connected with the main rod, and the other end of the threaded screw rod is connected with the rotary table.
The main rod is connected with the threaded screw rod by adopting a spherical pair.
The lead screw threads have a lead angle less than the equivalent friction angle.
The main rod is connected with the two support rods through a composite hinge.
Further, the main rod is provided with a convex main rod head, the two support rods are a first support rod and a second support rod respectively, the second end of the first support rod is provided with a first concave rod head, and the second end of the second support rod is provided with a second concave rod head; the first concave type pole head wraps the convex type main pole head, the second concave type pole head wraps the first concave type pole head, through holes from top to bottom are formed in the first concave type pole head, and the first concave type pole head, the second concave type pole head and the second concave type pole head are hinged together through a connecting piece through the through holes.
The limiting structure is a clamping groove formed in the first clamping piece and a protrusion which is embedded in the clamping groove and is configured on the second clamping mechanism.
The beneficial effects of the invention are that
Compared with the prior art, the invention has the following advantages:
1. simple structure and convenient operation. According to the invention, complicated screw mounting and dismounting are replaced by the action of rotating the turntable, and the clamping and loosening actions of the clamping device can be realized only by rotating the turntable. The clamping device only needs a few seconds in the clamping process, so that excessive complex operation is avoided, and the user is facilitated; the screw thread screw is configured, and a set of self-locking device is not required to be designed for self-locking the clamping device through the self-locking capability of the screw thread screw; the main rod drives the two supporting rods simultaneously, so that the clamping angles of the supporting rods at the left side and the right side can be adjusted simultaneously, and workpieces at the left side and the right side are clamped simultaneously, so that the working procedures are reduced, and the clamping device is convenient to use.
2. The work piece atress is even. The main rod is connected with the supporting rods through the composite hinge, the thrust of the supporting rods can be uniformly distributed on the two supporting rods, so that the workpiece clamped at the left side and the right side is uniformly stressed, and unnecessary machining errors are avoided.
3. The application range is wide. The front ejector block can rotate relative to the corresponding connected supporting rod to adjust the angle, so that the front ejector block can adapt to clamping of multiple types of V-shaped thrust rods, and can be applied to machining of other workpieces needing simultaneous clamping of two sides.
Drawings
FIG. 1 is a perspective view of a structure of a clamp for assisting in the shaping of a V-shaped thrust rod of the present invention;
FIG. 2 is a three-dimensional exploded view (part) of the clamp of the present invention assisting in the shaping of the V-shaped thrust rod;
FIG. 3 is a schematic view (plan view of structure) of the hinge connection of the front top block and the strut of the clamp for assisting the molding of the V-shaped thrust rod;
fig. 4 is a schematic diagram (three-dimensional structure diagram) of the hinge connection of the front top block and the strut of the clamp for assisting in forming the V-shaped thrust rod;
FIG. 5 is a perspective view of the main rod and two struts of the clamp for assisting in molding the V-shaped thrust rod;
FIG. 6 is a partial cross-sectional view of the connection of the main rod and the threaded lead screw of the clamp for assisting in the molding of the V-shaped thrust rod;
FIG. 7 is a partial view of the junction of the front top block and the straight end stop of the clamp assisting in the shaping of the V-shaped thrust rod;
FIG. 8 is a perspective view of a straight end stop plate of the clamp assisting in the shaping of the V-shaped thrust rod;
FIG. 9 is a schematic structural view of the limiting plate and the front top block (in a separated state, a limiting groove is formed on the limiting plate, and a corresponding protrusion is formed on the front top block);
FIG. 10 is a schematic view of a first operation of the clamp formed using the auxiliary V-shaped thrust rod;
FIG. 11 is a schematic view of a second operation of clamping a workpiece using the auxiliary V-bar shaped clamp;
FIG. 12 is a schematic view of a third operation of clamping a workpiece using the auxiliary V-bar shaped clamp;
FIG. 13 is a general assembly view of a clamp for assisting in the shaping of a V-shaped thrust rod in accordance with the present invention;
fig. 14 is a general assembly view (top view) of a jig for assisting V-shaped thrust rod molding according to the present invention at another view angle.
Wherein the numerals in the drawings refer to the parts designations as follows:
1-a straight end limiting plate; 2-front top block; 3-supporting rods; 4-a main rod; 5-a threaded lead screw; 6-threaded conduit; 7-a manual turntable; 8-supporting plates; 9-fixing holes; 10-arc grooves; 11-a first guide slot; 12-a second guide slot; 13-clamping grooves; 14-bulge; 15-a base.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The present invention will be further illustrated by the following specific examples, with reference to fig. 1 to 14, it being noted that the drawings referred to and the examples are only for better understanding of the present invention by those skilled in the art, and are not limiting of the present invention.
The invention aims to provide a convenient auxiliary V-shaped thrust rod forming device, which is used for enabling two rod pieces to be matched to form the V-shaped thrust rod to be arranged oppositely according to a preset included angle, so that the defect that complicated operation of adjusting a clamp by manually tightening a screw in the prior art is overcome, and meanwhile, the accuracy in operation can be relatively improved. One embodiment of the present invention is as follows:
as shown in fig. 1, the specific structure of the clamping device mainly includes two clamping mechanisms and an adjusting mechanism, wherein the two clamping mechanisms and the adjusting mechanism are installed on the base.
Both clamping mechanisms respectively comprise: the base comprises a supporting plate arranged on the base, a first clamping piece arranged on the supporting plate and a second clamping piece arranged on the first clamping piece; the clamping device comprises a first clamping piece and a second clamping piece, wherein a clamping channel used for clamping the end part of a rod piece is formed between the first clamping piece and the second clamping piece, the first clamping piece and the second clamping piece are connected with each other through a limiting structure, the second clamping piece can move relative to the first clamping piece to adjust the size of the clamping channel, and the first clamping piece and the second clamping piece can move linearly relative to the supporting plate or rotate relative to each other in a preset angle range to adjust the clamping position of a workpiece.
The adjusting mechanism comprises a main rod, two supporting rods and a driving assembly. The two support rods are respectively arranged at the left side and the right side of the main rod and correspond to the second limiting parts of the two clamping mechanisms one by one; the first end part of each supporting rod is hinged to the corresponding second limiting piece, and the second end part of each supporting rod is hinged to the first end part of the main rod; and the driving assembly drives the main rod to move back and forth.
In this embodiment, the first clamping member is a straight end limiting plate, the second clamping member is a front top block, and the front top block includes a clamping plate forming the clamping channel with the straight end limiting plate, and the clamping plate are used for clamping a workpiece together. The driving assembly comprises a threaded lead screw, a threaded guide pipe fixed on the base and a rotating disc; the middle part of the threaded screw rod is provided with an external thread, the threaded guide pipe is in threaded connection with the threaded screw rod through an internal thread of the threaded guide pipe, one end of the threaded screw rod is connected with the main rod, and the other end of the threaded screw rod is connected with the rotary table.
Further, as shown in fig. 1, the front top block 2 is mounted at one side end of the supporting rod 3 through bolt connection, the two supporting rods and the main rod 4 are mounted in a bolt connection fit manner to form a linkage part, a full-package type circular cavity at one side of the main rod 4 is connected with a circular rod head at one side of the threaded screw 5 (namely through ball head hinge connection), the threaded screw 5 and the threaded guide pipe 6 are mounted in a matched manner through external threads of the threaded screw 5 and internal threads of the threaded guide pipe 6 to enable the threaded guide pipe 6 to be sleeved on the threaded screw 5, and the other side of the threaded screw 5 is connected with the manual rotary table 7.
The straight end limiting plate is provided with a fixing hole and an arc-shaped groove with a preset radian, the supporting plate is provided with a first guide groove and a second guide groove below the corresponding straight end limiting plate, the fixing hole is connected with the first guide groove through a bolt and a nut, the arc-shaped groove is connected with the second guide groove through the bolt and the nut, the straight end limiting plate is connected with the supporting plate, and the straight end limiting plate can linearly move relative to the supporting plate and rotate in a preset angle.
Further, in order to meet the processing and production requirements of processing V-shaped thrust rods with different angle types, in the given embodiment, the front ejector block and the strut are connected in a hinged manner, as shown in fig. 4 and 5. The front jacking block comprises a hinging part hinged with the supporting rod on one side corresponding to the front jacking block, the hinging part is arranged on one side of the clamping plate, so that the front jacking block can relatively rotate or move around the left end head of the supporting rod, the angle of the two supporting rods is changed to automatically adapt to the angle requirement in the clamping process when the V-shaped thrust rods with different angles are processed, and the front jacking block can be always effectively positioned to be tightly attached to a workpiece and clamped or loosened. In addition, in order to prevent the front top block from exceeding the range of the limiting plate during movement, a limiting structure is further arranged between the front top block and the limiting plate.
In this embodiment, as shown in fig. 10, the limiting structure is a slot (in this embodiment, the slot is a dovetail slot) formed in the straight end limiting plate, and a protrusion disposed on the front top block and fitted in the slot, where the shape and size of the protrusion are matched with those of the slot. However, the form of the limiting structure is not limited to the structure adopted in this embodiment, for example, the limiting structure may also be a chute provided in the straight end limiting plate, the front top block has a protruding guide rod, the shape and size of the guide rod are matched with those of the chute, the guide rod may slide in the chute, and the guide rod head of the guide rod passes through the chute and extends out of the limiting plate, and is connected with the limiting plate through a bolt and a nut.
Further, in order to convert the transverse thrust on the main rod into two component forces on the two linkage struts, the main rod and the two struts are connected by adopting a compound hinge, as shown in fig. 5. The main rod is provided with a convex main rod head, the two support rods are a first support rod and a second support rod respectively, the second end of the first support rod is provided with a first concave rod head, and the second end of the second support rod is provided with a second concave rod head; the first concave pole head wraps the convex primary pole head, and the second concave pole head wraps the first concave pole head. A through hole is reserved in the middle of each of the three rod heads, the three rod heads are connected together through a bolt, and the bolt is used as a rotating shaft, so that the movement and the thrust of the main rod can be decomposed into the combined movement on the two support rods, and the workpiece clamping requirement can be met.
Further, a spherical pair connection (ball head connection) is adopted between the main rod and the threaded screw rod, the end part of the main rod is a circular cavity, and the end part of the threaded screw rod is a circular rod head, as shown in fig. 6. The screw motion of the threaded screw rod is converted into the linear motion of the main rod through the connecting structure.
In addition, the threaded lead screw is matched with the threaded guide pipe through a screw pair, and the other side of the threaded lead screw is connected with the manual rotary table. The screw motion of the screw rod can be realized by rotating the turntable. By designing that the lead screw thread lead angle is smaller than the equivalent friction angle, the lead screw thread is reversely self-locked after the current ejector block clamps the workpiece, so that the self-locking of the clamping device can be realized.
The clamping principle is as follows: the manual rotary table is utilized to rotate to drive the threaded lead screw to rotate in the threaded guide pipe, forward thrust is formed by rotation, and because the threaded guide pipe is fixed on the base, when the rotary table is rotated, the threaded lead screw can move forward relative to the threaded guide pipe, the thrust is transmitted to the full-package type circular cavity on one side of the main rod through the circular rod head on one side of the threaded lead screw, so that the main rod is pushed to move forward, the linkage part of the main rod and the support rod starts to rotate, the two support rods are pushed to move towards the workpiece clamping direction, at the moment, the front jacking blocks gradually clamp the workpiece to be machined under the pushing of the support rods until the last two front jacking blocks completely clamp the workpiece to be machined, at the moment, the rotary table is stopped, and meanwhile, the screw threads are reversely self-locked, so that the clamping self-locking is realized, and the whole clamping operation is completed.
Referring to fig. 10-12, the clamping operation is as follows:
the left rectangular box in fig. 10 shows the two shafts of the clamped V-shaped thrust rod piece and the two straight ends attached to the shafts.
The first step: according to the angle requirement of the V-shaped thrust rod workpiece, the angle position of the supporting plate is adjusted. And placing the left workpiece and the right workpiece on the supporting plates, and aligning the clamped surfaces of the workpieces with the front top block.
And a second step of: the rotating disc moves in the direction shown in fig. 11, so that the threaded screw rod rotates clockwise, and the main rod is driven to move leftwards through the threaded screw rod.
And a third step of: as shown in fig. 12, the main rod moves forward to the left, driving the upper and lower support rods to move. The two struts do a compound motion of left translation and rotation. At the moment, the angle of the two support rods is increased, and the front jacking block is driven to advance along the clamping groove through hinging, so that the workpiece is clamped.
Fourth step: and after the workpiece is clamped, stopping rotating the turntable, and reversely self-locking the screw threads of the screw rod to finish the clamping of the workpiece.
According to the invention, complicated screw mounting and dismounting are replaced by the action of rotating the turntable, and the clamping and loosening actions of the clamping device can be realized only by rotating the turntable. The clamping device only needs a few seconds in the clamping process, so that excessive complex operation is avoided, and the user is facilitated; the screw thread screw is configured, and a set of self-locking device is not required to be designed for self-locking the clamping device through the self-locking capability of the screw thread screw; the main rod drives the two supporting rods simultaneously, so that the clamping angles of the supporting rods at the left side and the right side can be adjusted simultaneously, and workpieces at the left side and the right side are clamped simultaneously, so that the working procedures are reduced, and the clamping device is convenient to use.
The main rod is connected with the supporting rods through the composite hinge, the thrust of the supporting rods can be uniformly distributed on the two supporting rods, so that the workpiece clamped at the left side and the right side is uniformly stressed, and unnecessary machining errors are avoided.
The front jacking block can rotate relative to the corresponding connected supporting rod to adjust the angle, so that the front jacking block can adapt to clamping of multiple types of V-shaped thrust rods, and can be applicable to machining of other workpieces needing simultaneous clamping of two sides.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A clamp for assisting in the shaping of a V-shaped thrust rod, comprising: the clamping device is used for enabling the two rods to be matched to form the V-shaped thrust rod to be arranged oppositely according to a preset included angle; it is characterized in that the method comprises the steps of,
the clamping device comprises:
a base (15);
two fixture, control relative setting, and all contain respectively: a supporting plate (8) arranged on the base, a first clamping piece (1) arranged on the supporting plate, and a second clamping piece (2) arranged on the first clamping piece (1); a clamping channel for clamping the end part of the rod piece is formed between the first clamping piece (1) and the second clamping piece (2), the first clamping piece (1) and the second clamping piece (2) are connected with each other through a limiting structure, the second clamping piece (2) can move relative to the first clamping piece (1) to adjust the size of the clamping channel, and the first clamping piece (1) and the second clamping piece (2) can move linearly relative to the supporting plate (8) or relatively rotate within a preset angle range to adjust the clamping position of a workpiece;
the adjusting mechanism is used for driving the second clamping piece (2) of the two clamping mechanisms to move relative to the first clamping piece (1) so as to clamp or release the two rod pieces when the end parts of the two rod pieces are respectively clamped in the clamping channels of the two clamping mechanisms correspondingly;
the adjusting mechanism comprises:
a main lever (4);
the two support rods (3) are respectively arranged at the left side and the right side of the main rod (4) and correspond to the second clamping pieces (2) of the two clamping mechanisms one by one; the first end part of each supporting rod is hinged to the corresponding second clamping piece (2), and the second end part of each supporting rod is hinged to the first end part of the main rod (4);
the driving assembly drives the main rod to move back and forth;
the first clamping piece (1) is provided with a fixing hole (9) and an arc-shaped groove (10) with a preset radian, the supporting plate (8) is provided with a first guide groove (11) and a second guide groove (12) below the corresponding first clamping piece (1), the fixing hole (9) is connected with the first guide groove (11) through a bolt and a nut, the arc-shaped groove (10) is connected with the second guide groove (12) through a bolt and a nut, so that the first clamping piece (1) is connected with the supporting plate (8), and the first clamping piece (1) can linearly move relative to the supporting plate (8) and rotate in a preset angle;
the second clamping piece (2) comprises a hinge part hinged with the supporting rod (3) on the corresponding side, and the second clamping piece (2) can rotate or move relatively around the hinge part relative to the supporting rod (3) on the corresponding side; the second clamping piece (2) further comprises a clamping plate which forms the clamping channel with the first clamping piece (1), and the hinge part is arranged on one side of the clamping plate.
2. The clamp for assisting in molding a V-shaped thrust rod according to claim 1, wherein: the driving assembly comprises a threaded lead screw (5), a threaded guide pipe (6) fixed on the base (15) and a rotating disc (7); the middle part of the threaded lead screw (5) is provided with external threads, the threaded guide pipe (6) is in threaded connection with the threaded lead screw (5) through internal threads of the threaded guide pipe, one end of the threaded lead screw (5) is connected with the main rod (4), and the other end of the threaded lead screw (5) is connected with the rotary table (7).
3. The clamp for assisting in molding a V-shaped thrust rod according to claim 2, wherein: the main rod (4) is connected with the threaded screw rod (5) by adopting a spherical pair.
4. The clamp for assisting in molding a V-shaped thrust rod according to claim 2, wherein: the thread lead screw (5) has a thread lead angle smaller than the equivalent friction angle.
5. The clamp for assisting in molding a V-shaped thrust rod according to claim 1, wherein: the main rod (4) and the two support rods (3) are connected through a composite hinge.
6. The clamp for assisting in molding a V-shaped thrust rod according to claim 5, wherein: the main rod (4) is provided with a convex main rod head, the two supporting rods (3) are a first supporting rod and a second supporting rod respectively, the second end of the first supporting rod is provided with a first concave rod head, and the second end of the second supporting rod is provided with a second concave rod head; the first concave type pole head wraps the convex type main pole head, the second concave type pole head wraps the first concave type pole head, through holes from top to bottom are formed in the first concave type pole head, and the first concave type pole head, the second concave type pole head and the second concave type pole head are hinged together through a connecting piece through the through holes.
7. The clamp for assisting in molding a V-shaped thrust rod according to claim 1, wherein: the limiting structure is a clamping groove (13) formed in the first clamping piece (1) and a protrusion (14) embedded in the clamping groove (13) and configured on the second clamping piece (2).
8. A method of using the clamp for assisting in shaping a V-shaped thrust rod according to claim 2, wherein:
the first step: according to the angle requirement of the V-shaped thrust rod workpiece to be processed, the angle position of the first clamping piece is adjusted, the left workpiece and the right workpiece are placed in the clamping channel formed by the first clamping piece and the second clamping piece, and the clamped surface of the workpiece is aligned to the second clamping piece;
and a second step of: rotating the turntable to enable the threaded screw rod to rotationally advance along the axial direction of the turntable, and driving the main rod to move forwards through the threaded screw rod;
and a third step of: the main rod moves forwards to drive the two support rods connected with the main rod to move; the two support rods respectively perform translational and rotational compound motions to the right side and the left side, at the moment, the angles of the two support rods gradually become larger, and the second clamping piece is driven to advance along the extending direction of the clamping groove until the second clamping piece is completely stuck to the clamped surface of the V-shaped thrust rod workpiece to be processed so as to clamp the workpiece;
fourth step: stopping rotating the turntable, reversely self-locking the threaded screw rod, and finishing clamping the V-shaped thrust rod workpiece to be processed.
CN201811361355.8A 2018-11-15 2018-11-15 Clamp for assisting in forming V-shaped thrust rod Active CN109434707B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811361355.8A CN109434707B (en) 2018-11-15 2018-11-15 Clamp for assisting in forming V-shaped thrust rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811361355.8A CN109434707B (en) 2018-11-15 2018-11-15 Clamp for assisting in forming V-shaped thrust rod

Publications (2)

Publication Number Publication Date
CN109434707A CN109434707A (en) 2019-03-08
CN109434707B true CN109434707B (en) 2023-11-10

Family

ID=65552388

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811361355.8A Active CN109434707B (en) 2018-11-15 2018-11-15 Clamp for assisting in forming V-shaped thrust rod

Country Status (1)

Country Link
CN (1) CN109434707B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110385588B (en) * 2019-06-29 2020-05-19 杭州佳煌传动科技有限公司 Box milling fixing device applied to worm gear reducer
CN111451798B (en) * 2020-04-11 2021-05-04 新昌县善力机械科技有限公司 Stabilizing device for automatic mechanical production
CN113601207A (en) * 2021-07-20 2021-11-05 长春汽车工业高等专科学校 Intelligent manufacturing three-dimensional flexible clamp system
CN113458904B (en) * 2021-09-06 2021-11-19 徐州威德金属制品有限公司 Welding seam grinding device
CN114227297A (en) * 2022-01-10 2022-03-25 山东电子职业技术学院 Electric automatization drilling equipment fixture

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0813515A (en) * 1994-07-04 1996-01-16 Tohoku Electric Power Co Inc Reinforcing bar fixture
TWM479193U (en) * 2014-02-11 2014-06-01 Jun-Fan Chen Wrench
CN104441367A (en) * 2014-12-04 2015-03-25 重庆瑞霆塑胶有限公司 Plastic bolt fixing device
CN105234690A (en) * 2015-09-21 2016-01-13 重庆新铝城幕墙工程有限公司 Right-angle workpiece holder
CN206306011U (en) * 2016-12-09 2017-07-07 东风汽车公司 The multidirectional positioning and clamping mechanism of manual-automatic integral
CN107990041A (en) * 2017-12-21 2018-05-04 国网福建省电力有限公司 Ball valve operation device
CN207577948U (en) * 2017-12-19 2018-07-06 宜宾市南溪区科诚机电厂 Angle clamping jaw thrust clamping device
CN209364430U (en) * 2018-11-15 2019-09-10 三明学院 A kind of molding fixture of auxiliary V-type distance rod

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8402955B2 (en) * 2010-01-05 2013-03-26 Kevin R. Tulpa Bow press

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0813515A (en) * 1994-07-04 1996-01-16 Tohoku Electric Power Co Inc Reinforcing bar fixture
TWM479193U (en) * 2014-02-11 2014-06-01 Jun-Fan Chen Wrench
CN104441367A (en) * 2014-12-04 2015-03-25 重庆瑞霆塑胶有限公司 Plastic bolt fixing device
CN105234690A (en) * 2015-09-21 2016-01-13 重庆新铝城幕墙工程有限公司 Right-angle workpiece holder
CN206306011U (en) * 2016-12-09 2017-07-07 东风汽车公司 The multidirectional positioning and clamping mechanism of manual-automatic integral
CN207577948U (en) * 2017-12-19 2018-07-06 宜宾市南溪区科诚机电厂 Angle clamping jaw thrust clamping device
CN107990041A (en) * 2017-12-21 2018-05-04 国网福建省电力有限公司 Ball valve operation device
CN209364430U (en) * 2018-11-15 2019-09-10 三明学院 A kind of molding fixture of auxiliary V-type distance rod

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
V形推力杆的加工工艺;严庆伟;《现代零部件》(第8期);第92-97页 *
肖继德.《机床夹具设计》.机械工业出版社,1998,(第2版),第172-173页. *
郑文虎.《机械加工技术经验》.国防工业出版社,2015,(第1版),第117-118页. *

Also Published As

Publication number Publication date
CN109434707A (en) 2019-03-08

Similar Documents

Publication Publication Date Title
CN109434707B (en) Clamp for assisting in forming V-shaped thrust rod
KR101767345B1 (en) Welding jig and welding method for manufacturing round metal plate for having various radius
CN114986212A (en) Machining is with spiral self-centering bench vice closing device
CN216882804U (en) Special-shaped workpiece clamping stabilizing mechanism convenient to clamp
CN210848796U (en) Adjustable laser welding machine
CN210360402U (en) Positioning fixture for chamfering connecting rod
KR200439358Y1 (en) Automation equipment for bolt pitch revival
CN110977516B (en) Dovetail type indexing and self-centering device based on radial boring of special-shaped ring piece
CN108581569B (en) Milling machine fixture for diamond-shaped workpieces
CN209239553U (en) A kind of fraise jig
CN218426968U (en) Utensil is assisted in clamping of regulation formula plate-like work piece
CN216780917U (en) Pushing device and walking machine
CN112823984A (en) Fixture for drilling L-shaped part and using method
CN210281319U (en) Multi-nut tightening machine with force unloading mechanism for workpiece
CN220260958U (en) Positioning table for machining
CN220073299U (en) CNC turning piece fixing device
CN219562262U (en) Precise part milling machine machining clamping device
CN220863298U (en) Quick clamping fixture for lathe machining
CN103433766A (en) Double-fixing clamping mechanism of machine tool
CN216781081U (en) Anchor clamps are used in injection mold processing
CN117206577B (en) Profiling milling clamp for groove workpiece
CN215846456U (en) Rotatory file welding set of alloy
CN215788305U (en) Round piece clamping tool
CN112276617B (en) High and adjustable spacing intensity's of protectiveness fixture for machining
CN220761694U (en) Mounting fixture for machining

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant