阅读说明：本技术 一种精密医疗器械加工用夹具 (Clamp for machining of precise medical equipment ) 是由 秦晓鹏 魏先锋 于 2021-10-20 设计创作，主要内容包括：本发明公开了一种精密医疗器械加工用夹具,涉及到医疗器械加工设备技术领域,包括驱动夹紧部；所述驱动夹紧部包括驱动夹紧单元和定位夹紧单元,所述驱动夹紧单元用于夹紧工件,并驱动工件转动至所述模具组件下方,所述定位夹紧单元用于对所述驱动夹紧单元上的工件定位夹紧。本发明结构合理,对工件夹紧可靠、牢固,避免了操作人员在模具下拿取、放置工件而带来的意外伤害,夹片均为弹性夹,一对弹性夹一端的两侧均为开口结构,便于工件从开口结构处滑至夹片内,实现定位夹紧,并对工件进一步进行限位夹紧,设置一对夹片,提高了对工件两端定位夹紧,提高了工件在冲压折弯过程中的稳定性,提高了工件加工精度。(The invention discloses a clamp for machining precise medical instruments, which relates to the technical field of medical instrument machining equipment and comprises a driving clamping part; the driving clamping part comprises a driving clamping unit and a positioning clamping unit, the driving clamping unit is used for clamping a workpiece and driving the workpiece to rotate to the position below the die assembly, and the positioning clamping unit is used for positioning and clamping the workpiece on the driving clamping unit. The clamping device is reasonable in structure, reliable and firm in clamping workpieces, and capable of avoiding accidental injury caused by taking and placing the workpieces under a die by operators, the clamping pieces are all elastic clamps, two sides of one end of each elastic clamp are both of an opening structure, so that the workpieces can slide into the clamping pieces from the opening structures conveniently, positioning and clamping are achieved, the workpieces are further limited and clamped, the pair of clamping pieces are arranged, positioning and clamping of two ends of the workpieces are improved, stability of the workpieces in a stamping and bending process is improved, and machining accuracy of the workpieces is improved.)

1. The utility model provides a precision is anchor clamps for medical instrument processing which characterized in that: comprises a drive clamp (11);

the driving clamping part (11) comprises a driving clamping unit and a positioning clamping unit, the driving clamping unit is used for clamping a workpiece and driving the workpiece to rotate below the die assembly, and the positioning clamping unit is used for positioning and clamping the workpiece on the driving clamping unit;

the driving clamping unit comprises a servo motor (18) arranged on the top of a lower die (10), an output end of the servo motor (18) is fixedly connected with a driving gear (24), one side of the driving gear (24) is meshed with a driven gear (25), a rotating column (31) is fixedly connected to the driven gear (25), the rotating column (31) is rotatably connected with the lower die (10), a sliding groove (34) is formed in the top end of the rotating column (31), a moving rod (30) is slidably connected to the sliding groove (34), a clamping plate (27) is fixedly connected to the top end of the moving rod (30), a screw (29) is rotatably connected to the top end of the clamping plate (27), a rotary table (19) is fixedly connected to the top end of the screw (29), a threaded sleeve (36) is connected to the screw (29), and a moving plate (28) is fixedly connected to the threaded sleeve (36), the top of the clamping plate (27) is fixedly connected with a pair of guide rods (20), the moving plate (28) is connected to the pair of guide rods (20) in a sliding mode, and the bottom of the moving plate (28) is fixedly connected with a pressure head (32);

the utility model discloses a servo motor, including servo motor (18), splint (27), shift lever (30), supporting spring (35), servo motor mounting bracket (33), motor mounting bracket (33) pass through fixing bolt with bed die (10) fixed connection, the standing groove has been seted up at the top of splint (27), cup jointed supporting spring (35) on shift lever (30), the both ends of supporting spring (35) respectively with the top of rotating post (31) with the bottom fixed connection of splint (27), fixedly connected with motor mounting bracket (33) on servo motor (18), motor mounting bracket (33) through fixing bolt with bed die (10) fixed connection.

2. The jig for machining a precision medical instrument according to claim 1, characterized in that: the positioning and clamping unit comprises sliding rods (26) arranged at two sides of the top of the lower die (10), sliding holes are formed in two sides of the top of the lower die (10), one end of each sliding rod (26) penetrates through one pair of the sliding holes respectively, one pair of the sliding rods (26) are fixedly connected with clamping pieces (22) on the top ends and one pair of the sliding rods (26) are movably sleeved with first return springs (23), and two ends of each first return spring (23) are fixedly connected with the lower die (10) and the clamping pieces (22) respectively.

3. The jig for machining a precision medical instrument according to claim 2, characterized in that: the pair of clamping pieces (22) are elastic clamps, the two sides of one end of each elastic clamp are of an opening structure, the top of the lower die (10) is fixedly connected with a positioning pin (21), and the positioning pins (21) are used for positioning workpieces.

Technical Field

The invention relates to the technical field of medical instrument processing equipment, in particular to a clamp for processing precise medical instruments.

Background

Medical instruments refer to instruments, devices, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly on the human body, including the required computer software. The effects are obtained mainly by physical means, not by pharmacological, immunological or metabolic means, or they are involved but only as an aid. For the purpose of diagnosis, prevention, monitoring, treatment, or amelioration of a disease; diagnosis, monitoring, treatment, mitigation, or functional compensation of injury; examination, replacement, regulation or support of a physiological structure or physiological process; support or maintenance of life; controlling pregnancy; by examining a sample from a human body, information is provided for medical or diagnostic purposes. When the precise medical apparatus is processed, the medical apparatus needs to be fixed by a clamp.

External locating support of orthopedics comprises a plurality of panel beating machined parts, some panel beating machined parts need be accomplished on the punching press bender, anchor clamps on some punching press benders of current press the location through the bolt pressure head to the panel beating press from both sides, this kind of clamping mode is single, when carrying out the punching press to the panel beating and bending, the skew takes place easily in the position of panel beating on anchor clamps, the size that leads to the panel beating after the shaping of bending is inaccurate, the precision of product has been reduced, therefore, this application provides an accurate medical instrument processing and uses anchor clamps to satisfy the demand.

Disclosure of Invention

An object of the application is to provide an anchor clamps are used in accurate medical instrument processing, it is reliable to the work piece clamp tightly, it is firm, avoided operating personnel to take under the mould, place the work piece and the unexpected injury that brings, the clamping piece is the elasticity and presss from both sides, the both sides of a pair of elasticity clamp one end are open structure, the work piece of being convenient for slides to the clamping piece in from open structure, it is tight to realize the location clamp, and further carry out spacing clamp to the work piece, set up a pair of clamping piece, it is tight to have improved the work piece both ends location clamp, the stability of work piece at the punching press in-process of bending has been improved, the work piece machining precision has been improved.

In order to achieve the above purpose, the present application provides the following technical solutions: a clamp for machining precise medical instruments comprises a driving clamping part;

the driving clamping part comprises a driving clamping unit and a positioning clamping unit, the driving clamping unit is used for clamping a workpiece and driving the workpiece to rotate to the lower part of the die assembly, and the positioning clamping unit is used for positioning and clamping the workpiece on the driving clamping unit;

the driving clamping unit comprises a servo motor arranged on the top of a lower die, the output end of the servo motor is fixedly connected with a driving gear, one side of the driving gear is meshed with a driven gear, a rotating column is fixedly connected onto the driven gear and is rotationally connected with the lower die, a sliding groove is formed in the top end of the rotating column, a moving rod is slidably connected into the sliding groove, a clamping plate is fixedly connected to the top end of the moving rod, a screw rod is rotationally connected to the top of the clamping plate, a rotating disc is fixedly connected to the top end of the screw rod, a threaded sleeve is in threaded connection with the screw rod, a moving plate is fixedly connected onto the threaded sleeve, a pair of guide rods is fixedly connected to the top of the clamping plate, the moving plate is slidably connected onto the pair of guide rods, and a pressure head is fixedly connected to the bottom of the moving plate;

the utility model discloses a servo motor, including splint, carriage release lever, stand, servo motor, stand, carriage release lever, stand and lower mould fixed connection, the standing groove has been seted up at the top of splint, the last supporting spring that has cup jointed of carriage release lever, the both ends of supporting spring respectively with the top of rotating the post with the bottom fixed connection of splint, fixedly connected with motor mounting bracket on the servo motor, motor mounting bracket pass through fixing bolt with lower mould fixed connection.

Preferably, the positioning and clamping unit comprises slide bars arranged at positions on two sides of the top of the lower die, slide holes are formed in two sides of the top of the lower die, one end of each slide bar is in pair, the slide holes are in pair and one end of each slide bar penetrates through the corresponding slide hole, the top ends of the slide bars are in fixed connection with clamping pieces, a first return spring is movably sleeved on each slide bar in pair, and two ends of each first return spring are fixedly connected with the lower die and the corresponding clamping pieces.

Preferably, the clamping pieces are elastic clamps, the two sides of one end of each elastic clamp are of an opening structure, and the top of the lower die is fixedly connected with a positioning pin which is used for positioning a workpiece.

In conclusion, the technical effects and advantages of the invention are as follows:

1. the clamping device is reasonable in structure, one end of a workpiece is placed in the placing groove on the clamping plate, the rotary table is rotated to drive the screw to rotate, the screw drives the movable plate to move under the guiding action of the guide rod, the movable plate drives the press head to move to clamp one end of the workpiece, after the workpiece is clamped, the servo motor is started, the output end of the servo motor rotates to drive the driving gear to rotate, the driving gear is meshed with the driven gear, the driven gear drives the rotating column to rotate on the lower die, the workpiece is driven to rotate, the workpiece is rotated to the position below the die, accidental injury caused by taking and placing the workpiece under the die by an operator is avoided, and the workpiece is reliably and firmly clamped;

2. according to the invention, the workpiece rotates to the position of the clamping piece, the clamping pieces are elastic clamps, two sides of one end of each elastic clamp are provided with the opening structures, so that the workpiece can slide into the clamping pieces from the opening structures conveniently, positioning and clamping are realized, the workpiece is further clamped in a limiting manner, the positioning and clamping of two ends of the workpiece are improved by the pair of clamping pieces, the stability of the workpiece in the stamping and bending process is improved, the machining precision of the workpiece is improved, the workpiece is machined by arranging the first return spring, and then the workpiece is automatically demoulded from a mould, so that the production speed of the workpiece is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a first perspective view of a jig for precision medical device processing;

FIG. 2 is a perspective view of a second perspective of the jig for machining precision medical instruments;

FIG. 3 is a front view of the clamp for machining precise medical instruments;

FIG. 4 is an enlarged perspective view of the first view of the driving clamping portion engaged with the lower mold;

FIG. 5 is an enlarged perspective view of the driving clamping portion engaged with the lower mold from a second perspective;

FIG. 6 is an enlarged perspective view of the driving clamping unit;

FIG. 7 is a partially cut-away and enlarged perspective view of the driving clamping unit;

fig. 8 is an enlarged perspective view of the positioning and clamping unit.

In the figure: 1. a base plate; 2. an upper base plate; 3. a pneumatic telescoping rod assembly; 4. mounting a template; 5. an upper die; 6. a guide post; 7. a guide slide pipe; 8. a column; 9. a base; 10. a lower die; 11. a drive clamping section; 12. a fixed block; 13. a nut; 14. a bolt; 15. a buffer block; 16. positioning a rod; 17. a positioning tube; 18. a servo motor; 19. a turntable; 20. a guide bar; 21. positioning pins; 22. a clip; 23. a first return spring; 24. a drive gear; 25. a driven gear; 26. a slide bar; 27. a splint; 28. moving the plate; 29. a screw; 30. a travel bar; 31. rotating the column; 32. a pressure head; 33. a motor mounting bracket; 34. a chute; 35. a support spring; 36. a threaded bushing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): a jig for precision medical instrument processing shown with reference to fig. 1 to 8 includes a driving clamping portion 11;

the driving clamping part 11 comprises a driving clamping unit and a positioning clamping unit, the driving clamping unit is used for clamping a workpiece and driving the workpiece to rotate to the lower part of the die assembly, and the positioning clamping unit is used for positioning and clamping the workpiece on the driving clamping unit; a frame and mold assembly is also disclosed in this embodiment.

As an implementation manner in this embodiment, the rack includes a bottom plate 1, columns 8 are fixedly connected to the periphery of the top of the bottom plate 1, the top ends of the four columns 8 are fixedly connected to a same upper bottom plate 2, a mold assembly is connected to the bottom plate 1 and the upper bottom plate 2, the mold assembly includes a pneumatic telescopic rod assembly 3 fixedly connected to the top of the upper bottom plate 2, an upper mold plate 4 is fixedly connected to the telescopic end of the pneumatic telescopic rod assembly 3, an upper mold 5 is fixedly connected to the bottom of the upper mold plate 4, a lower mold 10 is arranged under the upper mold 5, a pair of bases 9 is fixedly connected to the top of the bottom plate 1, the lower mold 10 is fixedly connected to the tops of the pair of bases 9, a driving clamping unit and a positioning clamping unit are both connected to the lower mold 10, a buffer unit and a guiding unit are installed at the top of the bottom plate 1, the buffer unit is used for buffering the upper mold plate 4, the guiding unit is used for guiding the upper mold plate 4, the telescopic end of the pneumatic telescopic rod component 3 moves to drive the upper die plate 4 and the upper die 5 to move downwards, and the lower die 10 is matched to realize stamping and bending of workpieces.

As an implementation manner in this embodiment, the driving clamping unit includes a servo motor 18 disposed on the top of the lower mold 10, an output end of the servo motor 18 is fixedly connected with a driving gear 24, one side of the driving gear 24 is engaged with a driven gear 25, a rotating column 31 is fixedly connected to the driven gear 25, the rotating column 31 is rotatably connected to the lower mold 10, a sliding slot 34 is formed at the top end of the rotating column 31, a moving rod 30 is slidably connected to the sliding slot 34, a clamping plate 27 is fixedly connected to the top end of the moving rod 30, a screw 29 is rotatably connected to the top of the clamping plate 27, a rotating disc 19 is fixedly connected to the top end of the screw 29, a threaded sleeve 36 is threadedly connected to the screw 29, a moving plate 28 is fixedly connected to the threaded sleeve 36, a pair of guide rods 20 is fixedly connected to the top of the clamping plate 27, the moving plate 28 is slidably connected to the pair of guide rods 20, and a moving head 32 is fixedly connected to the bottom of the moving plate 28, a placing groove is formed in the top of the clamping plate 27, a supporting spring 35 is sleeved on the moving rod 30, two ends of the supporting spring 35 are respectively and fixedly connected with the top end of the rotating column 31 and the bottom of the clamping plate 27, a motor mounting rack 33 is fixedly connected to the servo motor 18, the motor mounting rack 33 is fixedly connected with the lower die 10 through a fixing bolt, one end of a workpiece is placed in the placing groove on the clamping plate 27, the rotary table 19 is rotated to drive the screw 29 to rotate, under the guiding action of the guide rod 20, the screw 29 drives the moving plate 28 to move, the moving plate 28 drives the press head 32 to move to clamp one end of the workpiece, after the workpiece is clamped, the servo motor 18 is started, the output end of the servo motor 18 rotates to drive the driving gear 24 to rotate, the driving gear 24 is meshed with the driven gear 25, the driven gear 25 drives the rotating column 31 to rotate on the lower die 10, so as to drive the workpiece to rotate, the workpiece is rotated to the lower part of the die, so that accidental injury caused by taking and placing the workpiece under the die by an operator is avoided, and the workpiece is clamped reliably and firmly.

As an implementation manner in this embodiment, the positioning and clamping unit includes sliding rods 23 disposed at two sides of the top of the lower mold 10, sliding holes are disposed at two sides of the top of the lower mold 10, one end of each of the pair of sliding rods 26 penetrates through the pair of sliding holes, top ends of the pair of sliding rods 26 are fixedly connected with clamping pieces 22, a first return spring 23 is movably sleeved on each of the pair of sliding rods 26, two ends of the first return spring 23 are fixedly connected with the lower mold 10 and the clamping piece 22, the workpiece rotates to the position of the clamping piece 22, one side of the workpiece slides into the clamping piece 22 to realize positioning, and further perform limiting and clamping on the workpiece, the pair of clamping pieces 22 are disposed to improve positioning and clamping of two ends of the workpiece, improve stability of the workpiece during the stamping and bending process, improve the processing precision of the workpiece, and the workpiece is automatically demolded from the mold after being processed by the first return spring 23, the production speed of the workpiece is improved.

In this embodiment, a pair of clamping piece 22 is the elastic clamp, and the both sides of a pair of elastic clamp one end are open structure, and the work piece of being convenient for slides to clamping piece 22 in from open structure, and clamping piece 22 is the elastic clamp, is convenient for press from both sides tightly the work piece, and the top fixedly connected with locating pin 21 of bed die 10, locating pin 21 are used for the location work piece, and through setting up locating pin 21, locating pin 21 further fixes a position the work piece with the locating hole cooperation on the work piece, improves work piece machining precision.

As an implementation manner in this embodiment, the buffer unit includes fixed block 12 of fixed connection in 1 top both sides position department of bottom plate, the equal fixedly connected with nut 13 in top of a pair of fixed block 12, the hole of dodging has all been seted up at the top of a pair of fixed block 12, it is coaxial with nut 13 to dodge the hole, equal threaded connection has bolt 14 on a pair of nut 13, the top of a pair of bolt 14 all is provided with buffer block 15, the equal fixed connection of a pair of buffer block 15 is on the bottom of cope match-plate pattern 4, 15 bit rubber materials of buffer block, through setting up buffer block 15 and bolt 14, realize the cushioning effect when moving down to cope match-plate pattern 4, and play the guard action.

As an implementation manner in this embodiment, the guiding unit includes four guiding pillars 6 fixedly connected to the top of the bottom plate 1, the top ends of the four guiding pillars 6 are all fixedly connected to the bottom of the upper plate 2, the four guiding pillars 6 are slidably connected to the guiding sliding tubes 7, the four guiding sliding tubes 7 are all fixedly connected to the upper plate 4, and the guiding function is played when the upper plate 4 moves by setting the guiding pillars 6 and the guiding sliding tubes 7.

In this embodiment, one side fixedly connected with a pair of locating levers 16 of cope match-plate pattern 4 bottom, all be provided with registration arm 17 under a pair of registration arm 16, a pair of registration arm 17 all fixedly connected on the top of bottom plate 1, registration arm 16 is coaxial with registration arm 17, through setting up registration arm 16 and registration arm 17, plays further positioning action to the mould.

The working principle of the invention is as follows:

one end of a workpiece is placed in a placing groove on a clamping plate 27, a rotary table 19 is rotated to drive a screw 29 to rotate, under the guiding action of a guide rod 20, the screw 29 drives a moving plate 28 to move, the moving plate 28 moves to drive a press head 32 to move, one end of the workpiece is clamped, after the workpiece is clamped, a servo motor 18 is started, the output end of the servo motor 18 rotates to drive a driving gear 24 to rotate, the driving gear 24 is meshed with a driven gear 25, the driven gear 25 drives a rotating column 31 to rotate on a lower die 10, the workpiece is driven to rotate, the workpiece is rotated to the position below the die, accidental injury caused by taking and placing the workpiece under the die by an operator is avoided, and the workpiece is reliably and firmly clamped;

the work piece rotates to clamping piece 22 position department, clamping piece 22 is the elastic clamp, the both sides of a pair of elastic clamp one end are open structure, be convenient for the work piece from open structure department slide to the clamping piece 22 in, realize that the location is pressed from both sides tightly, and further carry out spacing clamp to the work piece and press from both sides tightly, set up a pair of clamping piece 22, it is tight to have improved the location of work piece both ends and press from both sides, the stability of work piece at the punching press in-process of bending has been improved, the work piece machining precision has been improved, through setting up first return spring 23, the work piece of messenger is processed the back, from the automatic drawing of patterns in the mould, the production speed of work piece has been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.