CN113878151A

CN113878151A - Quick frock clamp of arc wicresoft connective bar

Info

Publication number: CN113878151A
Application number: CN202111192049.8A
Authority: CN
Inventors: 严迪恒; 居志杰; 王志洪; 李若诚; 甄伍凡; 叶树
Original assignee: Changzhou Dazon Medical Devices Co ltd
Current assignee: Changzhou Dazon Medical Devices Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-01-04
Anticipated expiration: 2041-10-13
Also published as: CN113878151B

Abstract

The application relates to a quick frock clamp of arc wicresoft connective bar relates to frock clamp's field, and it includes the mount pad and sets up the hold-down mechanism on the mount pad, set up a plurality of arcs that supply the connective bar to place on the mount pad, the inner wall and the connective bar laminating of arc, a plurality of the mutual parallel arrangement of arc sets up, hold-down mechanism is connected with the connective bar for fix the connective bar in the arc. This application has the milling process of notch on the connective bar of being convenient for, and a clamping can realize effectively improving the production machining efficiency of connective bar to the processing operation of the notch on the connective bar in batches, and the practicality is high.

Description

Quick frock clamp of arc wicresoft connective bar

Technical Field

The application relates to the field of tool fixtures, in particular to a quick tool fixture for an arc-shaped minimally invasive connecting rod.

Background

In minimally invasive spine surgery, a spine nail and rod system is one of the commonly used internal fixation systems, and mainly comprises a bone screw, a plug screw and a connecting rod. When the spinal column nail rod system is used, the bone screws are implanted into the designated positions of all the segments of the spinal column, then the connecting rod is placed into the grooves of the nail seats of all the bone screws through instruments, and the screw plugs are matched with the nail seats of the bone screws in a threaded mode, so that the connecting rod is fixedly connected with all the bone screws, and the implantation of the spinal column nail rod system is completed.

Referring to fig. 1, the connecting rod 6 is arc-shaped in the length direction, a notch 61 is formed in the outer circumferential surface of one end of the connecting rod 6, and the notch 61 is located on the arc-shaped inner side of the connecting rod 6; notch 61's setting is so that hold excellent ware centre gripping connective bar 6 for hold the connection between excellent ware and the connective bar 6 more stable, the smooth progress of guarantee operation.

In view of the above related art, the inventor thinks that when milling the notches on the connecting rod, the existing tool clamp is difficult to meet the requirement of milling the notches on the connecting rod in batches at one time, and the production and processing efficiency is low.

Disclosure of Invention

In order to improve the problem that the connective bar processing is inconvenient, machining efficiency is low, this application provides a quick frock clamp of arc wicresoft connective bar.

The application provides a quick frock clamp of arc wicresoft connective bar adopts following technical scheme:

the utility model provides a quick frock clamp of arc wicresoft connective bar, includes the mount pad and sets up the hold-down mechanism on the mount pad, set up a plurality of arc walls that supply the connective bar to place on the mount pad, the inner wall and the connective bar laminating of arc wall, it is a plurality of the mutual parallel arrangement of arc wall sets up, hold-down mechanism is connected with the connective bar for fix the connective bar in the arc wall.

Through adopting above-mentioned technical scheme, when carrying out milling of notch on the connective bar, place a plurality of connective bars in the arc wall to the adjustment connective bar, make a tip of connective bar in the arc wall align, later, fix the connective bar in the arc wall through hold-down mechanism, thereby make things convenient for milling of notch on the connective bar, and a clamping can realize the processing operation to the notch on the connective bar in batches, and then effectively improve the machining efficiency of connective bar.

Preferably, hold-down mechanism includes mounting panel, compact heap and compresses tightly the driving piece, the mounting panel sets up the both sides at the mount pad, compact heap sliding connection is between two mounting panels, the compact heap is close to the one end and the connective bar butt of arc wall, compress tightly the driving piece and set up on the mounting panel, it is used for driving the direction removal of compact heap orientation mount pad to compress tightly the driving piece.

Through adopting above-mentioned technical scheme, pressing the fastening to the connective bar regularly, through compressing tightly the direction removal of driving piece drive compact heap towards the arc wall, make the outer wall butt of the connective bar in compact heap and each arc wall, fix the connective bar in the arc wall then, thereby the connective bar breaks away from in the difficult arc wall man-hour, ensures the processingquality of connective bar.

Preferably, the sliding direction of the pressing block on the mounting plate is consistent with the radial direction of the arc-shaped groove.

Through adopting above-mentioned technical scheme, when the compact heap pressed the tie rod fastening regularly, the compact heap was the same with the radial of tie rod to the pressure direction that the tie rod was applyed to the tie rod to make the atress of tie rod more stable effective, hold-down mechanism is better to the fixed effect that compresses tightly of tie rod, and then ensures the processingquality of tie rod.

Preferably, the pressing driving part comprises a rotating shaft and a cam, the rotating shaft is rotatably connected between the two mounting plates, the cam is fixedly connected with the rotating shaft, and the top wall of the mounting plate is abutted to the top wall of the pressing block.

Through adopting above-mentioned technical scheme, when using to compress tightly the driving piece drive and compress tightly the piece and remove, through rotating the pivot, the pivot drives the cam and rotates for the protruding portion orientation of cam rotates near the direction of compact heap, thereby the compact heap compresses tightly the connective bar under the effect of the butt force of cam, compresses tightly fixedly to the connective bar, and utilizes the characteristics of cam auto-lock, under the circumstances that no external force interferes, the protruding portion and the pressure strip of cam keep supporting tight state, ensure the compact heap then to the stability that compresses tightly of connective bar.

Preferably, one end of the rotating shaft penetrates through the mounting plate and is fixed with a waist-shaped block, and a handle is sleeved on the waist-shaped block.

Through adopting above-mentioned technical scheme, through rotating the handle, the handle passes through waist type piece and transmits the pivot with the moment of torsion, makes the cam rotate then, improves the convenience of use who compresses tightly the driving piece.

Preferably, a sliding groove is formed in one surface, close to the pressing block, of the mounting plate, a sliding block is fixed on the pressing block, the sliding block is located in the sliding groove, the pressing block is connected with the mounting plate in a sliding mode through the sliding block, a reset spring is arranged in the sliding groove, one end of the reset spring is abutted to the mounting seat, and the other end of the reset spring is abutted to the sliding block.

By adopting the technical scheme, the pressing block is connected with the mounting plate in a sliding manner through the sliding block, two ends of the reset spring are respectively abutted against the mounting seat of the sliding block, and the pressing block keeps an abutting state with the cam under the action of the elastic force of the reset spring, so that the stability of the pressing driving piece when the pressing block is driven to move is guaranteed; and when the pressure action applied to the pressing block by the pressing driving piece is loosened, the pressing block is automatically separated from the connecting rod under the action of the reset spring, so that the connecting rod can be conveniently disassembled and assembled on the mounting seat.

Preferably, one end of the mounting seat is connected with a positioning plate, the positioning plate is located at the end of each arc-shaped groove, and one end of the connecting rod is abutted to the positioning plate.

Through adopting above-mentioned technical scheme, the setting up of locating plate makes the connective bar clamping when on the mount pad, treats the one end butt that processes with each connective bar when the locating plate, realizes then the quick alignment of a plurality of connective bar tip to be convenient for process the notch on the connective bar of batch on the mount pad.

Preferably, be provided with stop gear on the mount pad, stop gear includes baffle and locking piece, the baffle is kept away from the one end butt of locating plate towards the lateral wall of the one end of arc wall and connective bar, baffle and mount pad sliding connection, the locking piece sets up on the mount pad, the baffle passes through locking piece and mount pad relatively fixed.

Through adopting above-mentioned technical scheme, when the connective bar clamping was on the mount pad, the connective bar was placed in the arc wall, waited to process the one end and the locating plate butt of notch with the connective bar, afterwards, kept away from the one end butt of locating plate through baffle and connective bar to through the lock piece with relatively fixed between baffle and the mount pad, thereby the slip of restriction connective bar in the arc wall, the stability of guarantee connective bar at the arc wall.

Preferably, both sides of the mounting seat are fixed with sliding plates, an arc-shaped sliding groove is formed in the side wall, close to the mounting seat, of each sliding plate, the arc-shaped sliding groove is identical to the axis of the arc-shaped groove, a connecting block is fixed to one side of each baffle, a sliding rod penetrates through the connecting block and is rotatably connected with the connecting block, and the two ends of each sliding rod penetrate through the connecting block and are inserted into the corresponding arc-shaped sliding groove.

Through adopting above-mentioned technical scheme, the baffle is fixed on the connecting block, and the connecting block slides through the inner wall of the arc spout on slide bar and the slide plate, and the axis of arc spout and arc spout is the same to can promote the baffle through the connecting block and slide for the mount pad, make the baffle can be quick remove the tip of connective bar and with the connective bar butt, realize the quick alignment and spacing to the connective bar, improve the installation convenience between connective bar and the mount pad.

Preferably, the locking piece includes the pawl, the pawl rotates to be connected on the connecting block, a plurality of claw grooves with pawl looks adaptation are seted up on the top of sliding plate, and is a plurality of the claw groove is arranged along sliding plate's length direction, the locating plate was kept away from to the pawl one end and the inner wall butt of locating plate was kept away from to the claw groove.

By adopting the technical scheme, when the connecting block is slid and drives the baffle to move, the pawl slides along the connecting block at the top of the sliding plate; when the baffle butt when the tip of connective bar, the pawl joint is in one of them claw inslot to keep away from the inner wall butt of locating plate with this claw groove, thereby play the stopping effect to the baffle, the guarantee baffle is to the good spacing fixed effect of connective bar.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the mounting seat and the pressing mechanism, the milling processing of the notches on the connecting rods is facilitated, and the processing operation of the notches on the connecting rods in batches can be realized by one-time clamping, so that the processing efficiency of the connecting rods is effectively improved;

2. by arranging the return spring, the pressing block keeps a butting state with the cam under the action of the elastic force of the return spring, so that the stability of the pressing driving piece when the pressing block is driven to move is ensured; when the pressure action exerted on the pressing block by the pressing driving piece is released, the pressing block is automatically separated from the connecting rod under the action of the return spring, so that the connecting rod can be conveniently assembled and disassembled on the mounting seat;

3. through setting up stop gear, the slip of restriction connective bar in the arc wall ensures the connective bar in the stability of arc wall, the quick alignment of a plurality of connective bar tip of being convenient for.

Drawings

Fig. 1 is a schematic view of a structure of a connecting rod in the related art.

Fig. 2 is a schematic structural view of an arc-shaped minimally invasive connecting rod rapid tooling fixture in embodiment 1 of the present application.

Fig. 3 is an exploded view of the entire junction of example 1 of the present application.

Fig. 4 is a structural diagram for embodying a stopper mechanism in embodiment 1 of the present application.

Fig. 5 is an exploded view of embodiment 1 of the present application for embodying a pressing mechanism.

Fig. 6 is a structural diagram for embodying a stopper mechanism in embodiment 2 of the present application.

Fig. 7 is a partial sectional view for embodying a stopper mechanism according to embodiment 2 of the present application.

Description of reference numerals: 1. a mounting seat; 11. a slot; 12. an arc-shaped slot; 2. positioning a plate; 3. a hold-down mechanism; 31. mounting a plate; 311. inserting a block; 312. a chute; 32. a compression block; 321. a slider; 322. pressing a groove; 323. a groove; 33. a return spring; 34. compressing the driving member; 341. a rotating shaft; 3411. a waist-shaped block; 342. a cam; 343. a handle; 5. a limiting mechanism; 51. a baffle plate; 511. breaking off; 512. blocking strips; 513. fixing the barrier strip; 514. an adjustable barrier strip; 5141. adjusting the long hole; 52. connecting blocks; 521. a slide bar; 522. an adjustment groove; 53. a slide plate; 531. a claw groove; 532. an arc-shaped chute; 533. calibration; 54. a locking member; 541. a pawl; 55. an adjusting block; 551. adjusting the screw rod; 56. mounting blocks; 561. a socket; 562. adjusting the bolt; 6. a connecting rod; 61. a notch.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Example 1

The embodiment of the application discloses quick frock clamp of arc wicresoft's connective bar. Referring to fig. 1 and 2, the arc-shaped minimally invasive connecting rod rapid tooling clamp comprises a mounting seat 1, and a pressing mechanism 3 and a limiting mechanism 5 which are arranged on the mounting seat 1. The upper surface of the mounting base 1 is an inwardly concave cambered surface, a plurality of arc-shaped grooves 12 for the connecting rod 6 to place are formed in the cambered surface of the mounting base 1, the arc-shaped grooves 12 are arranged in parallel, the two ends of the arc-shaped grooves 12 in the length direction run through the mounting base 1, and the arc-shaped grooves 12 are matched with the connecting rod 6. One end bolted connection of mount pad 1 has locating plate 2, and stop gear 5 is located mount pad 1 and keeps away from the one end of mounting panel 31, and stop gear 5 is connected with the one end of connective bar 6 for play spacing effect to the removal of connective bar 6 in arc wall 12. The pressing mechanism 3 is connected with the connecting rod 6 and is used for fixing the connecting rod 6 in the arc-shaped groove 12.

Referring to fig. 1 and 2, when connecting rod 6 clamping is on mount pad 1, place each connecting rod 6 in arc wall 12, the inner wall of arc wall 12 is laminated mutually with the outer wall of connecting rod 6, treat the one end and the 2 butts of locating plate of processing notch 61 with each connecting rod 6, make each connecting rod 6 one end of treating processing keep aliging, afterwards, carry out spacingly through stop gear 5 to the removal of connecting rod 6 in arc wall 12, and fix connecting rod 6 in arc wall 12 through hold-down mechanism 3, thereby make things convenient for notch 61's milling of connecting rod 6, and the clamping can realize the processing operation to notch 61 on the connecting rod 6 of batch, and then effectively improve the machining efficiency of connecting rod 6.

Referring to fig. 3 and 4, the limiting mechanism 5 includes a connecting block 52, a baffle 51 and a locking member 54, two side walls of the mounting seat 1 in the length direction are connected with sliding plates 53 through bolts, the connecting block 52 is located between the two sliding plates 53, and the connecting block 52 is located at the top of one end of the mounting seat 1 far away from the positioning block. An arc chute 532 is arranged on the side wall of each sliding plate 53 close to the mounting seat 1, and the axes of the arc chute 532 and the arc chute 12 are the same. Wear to be equipped with the pole 521 that slides in the connecting block 52, the pole 521 that slides rotates with the connecting block 52 to be connected, the pole 521 perpendicular to sliding plate 53 that slides, the both ends of the pole 521 that slides are worn out the connecting block 52 and are inserted and establish in corresponding arc spout 532, and connecting block 52 is through the pole 521 and the sliding plate 53 sliding connection that slides, then connecting block 52 and mount pad 1 relative slip.

Referring to fig. 3 and 4, the baffle plate 51 is fixed on one side of the connecting block 52 facing the positioning plate 2 through bolts, the baffle plate 51 is made of spring steel, a plurality of fractures 511 are formed in the baffle plate 51, the bottom of the baffle plate 51 close to the mounting seat 1 is divided into a plurality of baffle strips 512, the baffle strips 512 correspond to the arc-shaped grooves 12 one by one, and the bottom ends of the baffle strips 512 are inserted into the corresponding arc-shaped grooves 12. In arc wall 12 was placed to connective bar 6, through sliding connection piece 52, made baffle 51 move towards the direction that is close to locating plate 2 to the one end butt of locating plate 2 is kept away from with connective bar 6 to baffle 51, later through locking piece 54 with baffle 51 and mount pad 1 between relatively fixed, thereby realize spacing to connective bar 6, make connective bar 6 can not remove in arc wall 12.

Referring to fig. 3 and 4, the locking member 54 includes two pawls 541, the two pawls 541 are rotatably connected to two ends of the connecting block 52, the pawls 541 correspond to the sliding plate 53 one by one, the top end of the sliding plate 53 is provided with a plurality of claw grooves 531 adapted to the pawls 541, the plurality of claw grooves 531 are arranged along the length direction of the sliding plate 53, and the claw grooves 531 are obliquely arranged near the inner wall of the positioning plate 2, so that the pawls 541 move forward and are not prone to causing interference with the sliding of the connecting block 52; one end of the pawl 541 far from the positioning plate 2 is abutted against the inner wall of the pawl groove 531 far from the positioning plate 2, so that the backstop effect is achieved. And a scale 533 is formed on the outer wall of the mounting seat 1 of the sliding plate 53, and the scale 533 is used for displaying the arc length of the connecting rod 6.

Referring to fig. 3 and 5, the pressing mechanism 3 includes two mounting plates 31, two pressing blocks 32 and a pressing driving member 34, the mounting plates 31 are disposed two by two, the two mounting plates 31 are fixed at two sides of one end of the mounting base 1 close to the positioning plate 2 through bolts, and in order to ensure the stability of connection between the mounting plates 31 and the mounting base 1, the bottom end of the mounting plates 31 is fixed with an insertion block 311, a slot 11 for inserting the mounting plates 31 is formed in the side wall of the mounting base 1, the insertion block 311 is inserted in the corresponding slot 11, so that relative rotation between the mounting plates 31 and the mounting base 1 is not easy to occur, and the connection stability between the mounting base 1 and the mounting plates 31 is ensured.

Referring to fig. 3 and 5, the pressing block 32 is slidably disposed between the two mounting plates 31, the pressing driving member 34 is mounted on the mounting plates 31, and the pressing driving member 34 is connected to the pressing block 32 for driving the pressing block 32 to move toward the mounting base 1, so as to perform a pressing operation on the connecting rod 6 located in the arc-shaped groove 12. The one end of compact heap 32 orientation mount pad 1 is formed with a plurality of indent 322 with the 6 looks adaptations of connective bar, indent 322 and arc wall 12 one-to-one, and indent 322 is laminated with the outer wall of connective bar 6 mutually, and the slip direction of compact heap 32 is radially unanimous with arc wall 12 to improve the fixed effect that compresses tightly to connective bar 6, guarantee connective bar 6 stability in arc wall 12, improve the processingquality to connective bar 6 then.

Referring to fig. 2 and 5, the pressing driving member 34 includes a rotating shaft 341 and a cam 342, the rotating shaft 341 is rotatably connected between the two mounting plates 31, the cam 342 is fixedly connected to the rotating shaft 341, and the cam 342 abuts against a top wall of the pressing block 32 away from the mounting plates 31. One end of the rotating shaft 341 penetrates through the corresponding mounting plate 31 and is integrally formed with a waist-shaped block 3411, and a handle 343 is sleeved on the waist-shaped block 3411. Conveniently rotate pivot 341 through handle 343, conveniently rotate cam 342 then, the protruding portion orientation that is close to compact heap 32 when cam 342 rotates to compact heap 32 compresses tightly connective bar 6 under the effect of the butt force of cam 342, compresses tightly fixedly to connective bar 6, and utilizes the characteristics of the auto-lock of cam 342, and under the condition that no external force interferes, the protruding portion of cam 342 keeps the state of supporting tightly with compact heap 32. In order to improve the stability of connection between the cam 342 and the pressing block 32, the top wall of the pressing block 32 is provided with a groove 323, the inner wall of the groove 323 is attached to the outer wall of the protruding part of the cam 342, and the stability of the cam 342 when pressing the pressing block 32 is guaranteed.

Referring to fig. 3 and 5, a sliding groove 312 is formed in one surface, close to the pressing block 32, of each mounting plate 31, sliding blocks 321 are integrally formed at the tops of two ends of the pressing block 32, the sliding blocks 321 are located in the corresponding sliding grooves 312, the pressing block 32 is slidably connected with the mounting plates 31 through the sliding blocks 321, return springs 33 are arranged in the sliding grooves 312, one ends of the return springs 33 are abutted to the mounting base 1, and the other ends of the return springs are abutted to the sliding blocks 321. The pressing block 32 is kept in abutment with the cam 342 by the elastic force of the return spring 33, and thus, the stability of the pressing drive 34 when the pressing block 32 is driven to move is maintained.

The implementation principle of the embodiment 1 of the application is as follows: when the connecting rods 6 are clamped on the mounting seat 1, the connecting rods 6 are placed in the arc-shaped grooves 12, the inner walls of the arc-shaped grooves 12 are attached to the outer walls of the connecting rods 6, one end of each connecting rod 6, to be processed, of the notch 61 is abutted to the positioning plate 2, and therefore one end of each connecting rod 6, to be processed, is kept aligned. Then, the connecting block 52 is slid to move the baffle plate 51 toward the positioning plate 2, so that the baffle plate 51 abuts against one end of the connecting rod 6 away from the positioning plate 2; in the process, the pawl 541 slides along the connecting block 52 at the top of the sliding plate 53, and when the baffle plate 51 abuts against the end of the connecting rod 6, the pawl 541 is clamped in one of the pawl grooves 531 and abuts against the inner wall of the pawl groove 531 away from the positioning plate 2, so that the stopping effect is achieved on the baffle plate 51. Afterwards, through handle 343 rotation pivot 341, make the protruding portion orientation of cam 342 rotate near the direction of compact heap 32 to compact heap 32 compresses tightly connective bar 6 under the effect of the butt force of cam 342, compresses tightly fixedly to connective bar 6, thereby makes things convenient for the milling process of notch 61 on the connective bar 6, and a clamping can realize the processing operation to notch 61 on the connective bar 6 of batch, and then effectively improves the machining efficiency of connective bar 6.

Example 2

Referring to fig. 6 and 7, the embodiment of the present application differs from embodiment 1 in that: the baffle 51 comprises two fixed barrier strips 513 and a plurality of adjustable barrier strips 514, the two fixed barrier strips 513 are positioned at two ends of the plurality of adjustable barrier strips 514, and the plurality of adjustable barrier strips 514 and the two fixed barrier strips 513 are parallel to each other. A plurality of adjusting grooves 522 are formed in the end face, close to the adjustable barrier strips 514, of the connecting block 52, the adjusting grooves 522 correspond to the adjustable barrier strips 514 one to one, adjusting blocks 55 are arranged in the adjusting grooves 522, and the adjusting blocks 55 are connected with the connecting block 52 in a sliding mode. One end of the adjusting block 55 close to the adjustable barrier strip 514 is hinged with an installation block 56, the installation block 56 is provided with a socket 561 for inserting the adjustable barrier strip 514, the adjustable barrier strip 514 is arranged in the socket 561 in a penetrating way, and the adjustable barrier strip 514 is connected with the installation block 56 in a sliding way.

Referring to fig. 6 and 7, a plurality of adjusting screws 551 are arranged at one end of the connecting block 52 far away from the adjustable barrier strip 514, the adjusting screws 551 are in threaded connection with the connecting block 52, the adjusting screws 551 correspond to the adjusting blocks 55 one to one, and one end of each adjusting screw 551 penetrating into the connecting block 52 is located in the adjusting groove 522 and is rotatably connected with the corresponding adjusting block 55. Through rotating adjusting screw 551, make regulating block 55 slide in adjusting groove 522 to change the relative position between adjustable blend stop 514 and connecting block 52, and adjustable blend stop 514 and installation piece 56 sliding connection, adjustable blend stop 514 can move upwards automatically when receiving the extrusion of arc wall 12 inner wall, can not cause the interference to the removal process of adjustable blend stop 514, and then can realize the spacing fixed to the connective bar 6 of different length.

Referring to fig. 6 and 7, in order to improve the abutting limiting effect of the adjustable barrier strip 514 on the connecting rod 6, an adjusting bolt 562 is arranged on the mounting block 56 in a penetrating manner, the adjusting bolt 562 penetrates through the mounting block 56, and one end of the adjusting bolt 562 abuts against the adjusting block 55. The adjustable bar 514 is provided with an adjusting long hole 5141 for the adjusting bolt 562 to pass through. Through rotating adjusting bolt 562, make adjusting bolt 562 and adjusting block 55's terminal surface butt, articulated again between adjusting block 55 and the installation piece 56, thereby make installation piece 56 can take place the rotation of certain angle for adjusting block 55, realize the adjustment to adjustable blend stop 514 angle then, thereby make between adjustable blend stop 514 and the connective bar 6 butt stress state more stable, improve the clamping stability of connective bar 6 in arc wall 12.

The implementation principle of embodiment 2 of the present application is as follows: when a plurality of connecting rods 6 of different lengths are processed in batches, the connecting rods 6 are placed in the arc-shaped grooves 12, one end of each connecting rod 6 to be processed of the notch 61 is abutted against the positioning plate 2, and one end of each connecting rod 6 to be processed is kept aligned. Then, the slide link block 52 moves the shutter 51 in a direction to approach the positioning plate 2, and the shutter 51 abuts on the end of the longest connecting rod 6 among the plurality of connecting rods 6. Afterwards, adjusting screw 551 is rotated for regulating block 55 slides in adjustment groove 522, and regulating block 55 drives adjustable blend stop 514 and moves towards the direction of connective bar 6, makes adjustable blend stop 514 and connective bar 6 butt, and the realization is spacing to the clamping of the connective bar 6 of different length. Afterwards, compress tightly fixedly the connective bar 6 through hold-down mechanism 3, can process notch 61 on the batch connective bar 6 of different length, effectively improve the machining efficiency of connective bar 6 for this frock clamp's suitability is better.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a quick frock clamp of arc wicresoft connective bar which characterized in that: including mount pad (1) and hold-down mechanism (3) of setting on mount pad (1), set up a plurality of arc walls (12) that supply connective bar (6) to place on mount pad (1), the inner wall and the connective bar (6) laminating of arc wall (12) are a plurality of arc wall (12) parallel arrangement each other sets up, hold-down mechanism (3) are connected with connective bar (6) for fix connective bar (6) in arc wall (12).

2. The arc-shaped minimally invasive connecting rod rapid tooling clamp according to claim 1, characterized in that: hold-down mechanism (3) include mounting panel (31), compact heap (32) and compress tightly driving piece (34), mounting panel (31) set up the both sides in mount pad (1), compact heap (32) sliding connection is between two mounting panels (31), compact heap (32) are close to the one end and the connective bar (6) butt of arc wall (12), it sets up on mounting panel (31) to compress tightly driving piece (34), it is used for driving compact heap (32) to move towards the direction of mount pad (1) to compress tightly driving piece (34).

3. The arc-shaped minimally invasive connecting rod rapid tooling clamp according to claim 2, characterized in that: the sliding direction of the pressing block (32) on the mounting plate (31) is consistent with the radial direction of the arc-shaped groove (12).

4. The arc-shaped minimally invasive connecting rod rapid tooling clamp according to claim 2, characterized in that: the pressing driving piece (34) comprises a rotating shaft (341) and a cam (342), the rotating shaft (341) is rotatably connected between the two mounting plates (31), the cam (342) is fixedly connected with the rotating shaft (341), and the cam (342) is abutted to the top wall, far away from the mounting plates (31), of the pressing block (32).

5. The arc-shaped minimally invasive connecting rod rapid tooling clamp according to claim 4, characterized in that: one end of the rotating shaft (341) penetrates through the mounting plate (31) and is fixed with a waist-shaped block (3411), and a handle (343) is sleeved on the waist-shaped block (3411).

6. The arc-shaped minimally invasive connecting rod rapid tooling clamp according to claim 4, characterized in that: the mounting plate (31) is close to the one side of compact heap (32) and has seted up spout (312), be fixed with slider (321) on compact heap (32), slider (321) are located spout (312), compact heap (32) are through slider (321) and mounting plate (31) sliding connection, be provided with reset spring (33) in spout (312), the one end and mount pad (1) butt of reset spring (33), the other end and slider (321) butt.

7. The arc-shaped minimally invasive connecting rod rapid tooling clamp according to claim 1, characterized in that: one end of the mounting seat (1) is connected with a positioning plate (2), the positioning plate (2) is positioned at the end part of each arc-shaped groove (12), and one end of the connecting rod (6) is abutted to the positioning plate (2).

8. The arc-shaped minimally invasive connecting rod rapid tooling clamp according to claim 7, characterized in that: be provided with stop gear (5) on mount pad (1), stop gear (5) are including baffle (51) and locking piece (54), the one end butt that locating plate (2) were kept away from with connective bar (6) to the lateral wall of the one end of arc wall (12) baffle (51), baffle (51) and mount pad (1) sliding connection, locking piece (54) set up on mount pad (1), baffle (51) are through locking piece (54) and mount pad (1) relatively fixed.

9. The arc-shaped minimally invasive connecting rod rapid tooling clamp according to claim 8, characterized in that: both sides of mount pad (1) all are fixed with slide plate (53), arc spout (532) have been seted up on slide plate (53) are close to the lateral wall of mount pad (1), arc spout (532) are the same with the axis of arc wall (12), one side of baffle (51) is fixed with connecting block (52), wear to be equipped with slide bar (521) in connecting block (52), slide bar (521) rotate with connecting block (52) and be connected, the both ends of slide bar (521) are worn out connecting block (52) and are inserted and establish in corresponding arc spout (532).

10. The arc-shaped minimally invasive connecting rod rapid tooling clamp according to claim 9, characterized in that: the locking piece (54) comprises a pawl (541), the pawl (541) is rotatably connected to the connecting block (52), a plurality of pawl grooves (531) matched with the pawl (541) are formed in the top end of the sliding plate (53), the pawl grooves (531) are arranged along the length direction of the sliding plate (53), and one end, far away from the positioning plate (2), of the pawl (541) is abutted to the inner wall, far away from the positioning plate (2), of each pawl groove (531).