CN113001308B - Needle head polishing device - Google Patents

Abstract

The utility model relates to a syringe needle grinding device, it includes frame and polisher, it is provided with the slip frame to slide along the horizontal direction in the frame, the one side that the slip frame is close to the polisher slides and is provided with the board of rubbing with the hands, the direction of sliding of the board of rubbing with the hands is parallel with the direction of sliding of slip frame, it is provided with the roll-over stand to rotate along the direction of being close to or keeping away from the board of rubbing with the hands on the slip frame, one side that the roll-over stand is close to the board of rubbing with the hands is provided with supports tight portion, it has the clearance of rubbing with the hands to support tight portion and rub with the board between being formed with, the roll-over stand is located the below in the clearance of rubbing with the hands and is provided with the centre gripping subassembly, the centre gripping subassembly that the centre gripping subassembly slided including fixed clamping part and activity clamping part, be formed with the ascending centre gripping clearance of opening between fixed clamping part and the activity clamping part, the direction that the activity clamping part was slided along being close to or keeping away from fixed clamping part sets up on the roll-over stand, still be provided with the switch module that is used for driving fixed clamping part and slided. This application realizes the operation of polishing to a plurality of syringe needles, has improved the efficiency of polishing to the syringe needle promptly.

Description

Needle head polishing device

Technical Field

The application relates to the technical field of polishing equipment, in particular to a needle polishing device.

Background

The needle head is a hollow metal needle with a freely detachable syringe head end, and for the processing and manufacturing of the needle head, an inclined plane needs to be processed at the end part of the needle head to enable the needle head to be sharp, namely, the processed needle head comprises an insertion part for insertion and injection and a connecting part connected with the syringe; after the bevel is machined, the edge of the bevel of the needle head needs to be polished to remove burrs on the edge of the bevel of the needle head.

In the related art, a connecting portion of a needle head is usually manually held, an inclined surface of the needle head is arranged on a polishing wheel of a polishing machine to perform manual polishing operation, and the polishing angle of a needle head inserting portion needs to be adjusted while polishing. However, the manual adjustment of the sanding mode has low sanding efficiency and needs to be improved.

Disclosure of Invention

In order to improve the efficiency of polishing of syringe needle, this application provides a syringe needle grinding device.

The application provides a syringe needle grinding device adopts following technical scheme:

a needle head polishing device comprises a frame and a polishing machine arranged on one side of the frame, wherein a sliding frame is arranged on the frame in a sliding manner along the horizontal direction, one side of the sliding frame, which is close to the sander, is provided with a rubbing plate in a sliding manner, the sliding direction of the rubbing plate is parallel to the sliding direction of the sliding frame, the sliding frame is rotatably provided with a roll-over frame along the direction close to or far away from the rubbing plate, one side of the roll-over frame close to the rubbing plate is provided with a pressing part, a twisting gap for clamping the needle head inserting part is formed between the pressing part and the twisting plate, a clamping component is arranged below the twisting gap of the sliding frame, the clamping component comprises a fixed clamping part and a movable clamping part, a clamping gap with an upward opening for clamping the needle head connecting part is formed between the fixed clamping part and the movable clamping part, the roll-over stand is provided with a switch component for driving the movable clamping part to slide along the direction close to or far away from the fixed clamping part.

By adopting the technical scheme, the connecting parts of the plurality of needles are clamped by the fixed clamping part and the movable clamping part in the clamping assembly, then the turnover frame is turned over along the direction close to the rubbing plate, so that the pressing part and the rubbing plate clamp the inserting parts of the plurality of needles, then the sliding frame slides, and the inserting parts of the needles clamped by the turnover frame slide to a polishing station of a polishing machine for polishing operation; in the polishing process, the movable clamping part is driven to slide along the direction of keeping away from the fixed clamping part by the switch assembly, the connecting part of the needle head is released, then the rubbing plate slides, the needle head between the pressing part and the rubbing plate rotates, the polishing angle of the needle head is changed, polishing operation of the needle heads is achieved, and polishing efficiency of the needle head is improved.

Preferably, a pressing oil cylinder is fixedly arranged on the sliding frame, and the end part of a piston rod of the pressing oil cylinder is abutted against one side of the overturning frame, which is far away from the pressing part.

Through adopting above-mentioned technical scheme, after the portion that compresses tightly overturns to centre gripping syringe needle insertion part along the direction that is close to the twisting board, the piston rod extension of compressing tightly hydro-cylinder supports tightly and deviates from the one side of compressing tightly at the roll-over stand, improves the fastening nature of compressing tightly portion and twisting board to the centre gripping of syringe needle insertion part.

Preferably, the centre gripping subassembly includes the frock body, centre gripping kicking block and compression spring, the activity groove has been seted up on the frock body, fixed clamping part is formed in one side in activity groove, the opposite side that the activity groove is relative is provided with supports tight portion, the centre gripping kicking block is located the activity inslot and slides along the direction that is close to or keeps away from fixed clamping part, the activity clamping part is formed in one side that the centre gripping kicking block is close to fixed clamping part, compression spring's both ends butt respectively is in supporting one side that tight portion and centre gripping kicking block deviate from movable clamping part, the centre gripping subassembly is still including being used for the sled to move the centre gripping kicking block and keeping away from the sled part that fixed clamping part removed.

By adopting the technical scheme, in the practical use, under the action of the elastic force of the compression spring, the clamping top block keeps abutted with the clamping bottom, when the connecting part of the needle head needs to be clamped, the clamping top block is pried by the prying assembly to be far away from the fixed clamping part for moving, so that a clamping gap is generated between the clamping top block and the clamping bottom, and the connecting part of the needle head is placed in the clamping gap, and then the prying assembly removes the prying effect on the clamping top block, so that the clamping top block moves along the direction close to the fixed clamping part under the action of the compression spring pressure, and the needle head connecting part in the clamping gap is clamped.

Preferably, the prying part includes the prying rod, the prying rod is including being horizontal bar and the vertical pole that the vertical fixation set up, the horizontal part and the vertical portion of centre gripping kicking block all run through and have seted up the prying groove, the horizontal pole wears to establish the prying groove that supports tight portion and vertical portion and rather than forming clearance fit, the tip of vertical pole is pegged graft and is set up in the prying groove and form clearance fit with the prying groove, just the junction of horizontal pole and vertical pole forms to rotate with fixed clamping part and is connected, the axis of rotation of horizontal pole is parallel with the sliding direction of sliding the frame, the switch subassembly is used for driving the horizontal pole downward swing.

Through adopting the above technical scheme, when actually prying, utilize the switch module to press down the horizontal bar, under the leverage that forms between horizontal bar and vertical pole, vertical pole just can remove to the direction of keeping away from fixed clamping part, and then drive the centre gripping kicking block and remove along the direction of keeping away from fixed clamping part, and then make the centre gripping clearance to appear between centre gripping kicking block and the centre gripping bottom, when switch module removes the pressure effect to the horizontal bar, under the effect of compression spring elasticity, the centre gripping kicking block is along removing near the centre gripping bottom, play the effect of centre gripping, this kind of centre gripping mode is swiftly convenient.

Preferably, the switch component comprises a poking block and a poking cylinder, the middle part of the poking block is rotatably connected to the turnover frame, the rotation axis of the poking block is parallel to the sliding direction of the sliding frame, the poking cylinder is rotatably connected to the turnover frame, one end of the poking block is rotatably connected with the end part of a piston rod of the poking cylinder, the rotation axes of the poking cylinder and the poking block are parallel to the sliding direction of the sliding frame, and the other end of the poking block is positioned above the horizontal rod.

Through adopting above-mentioned technical scheme, during the actual drive, stir the concertina movement of cylinder piston rod, drive and dial the piece and rotate, and then drive and dial reciprocating of piece tip for dial the piece and play the effect of pressing down the horizon bar, specifically realized promptly that drive centre gripping kicking block moves along the direction that is close to or keeps away from fixed clamping part at the activity inslot.

Preferably, the roll-over stand is fixedly provided with a receiving guide rail, and one side of the tool body deviating from the movable groove forms an embedded sliding fit with the receiving guide rail.

Through adopting above-mentioned technical scheme, utilize and accept establishing the cooperation of sliding between the guide rail and the frock body, realized the demountable installation between the frock body and the roll-over stand, the staff of being convenient for dismantles the frock body from the roll-over stand earlier stage, carries out the centre gripping to the connecting portion of syringe needle fixedly.

Preferably, one side of the sliding frame is provided with a feeding table butted with the bearing guide rail, the feeding table and the sliding groove form a splicing sliding fit, and a pushing assembly used for driving the tool body to slide to the bearing guide rail from the feeding table is arranged above the sliding frame located on the feeding table.

Through adopting above-mentioned technical scheme, will fix the frock body of good syringe needle connecting portion and place on the feed table, then, utilize the propelling movement subassembly to drive the frock body and slide to accepting the guide rail by the feed table on, realize automatic material loading.

Preferably, it is provided with the upset motor to rotate in the frame, coaxial drive screw that is fixed with on the output shaft of upset motor, one side that the roll-over stand deviates from the polisher is rotated and is provided with the thread bush, the thread bush is connected through the screw with drive screw, the axis of rotation of roll-over stand, thread bush, upset motor is parallel.

Through adopting above-mentioned technical scheme, in the in-service use, the upset motor drives drive screw and rotates, moves on drive screw along with the thread bush, and then drives upset motor, thread bush and roll-over stand and rotate, utilizes the threaded connection between drive screw and the thread bush promptly, improves the precision of roll-over stand upset, makes it can adapt to the syringe needle of different diameters accurately.

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

1. clamping the connecting part of the needle head by using the clamping assembly, clamping the inserting part of the needle head by using the abutting part and the rubbing movable plate, and then sliding the inserting part to a grinding station of a grinding machine by using the sliding frame to carry out grinding operation; in addition, the clamping assembly releases the connecting part of the needle head, and the needle head between the rubbing plate and the abutting part rotates along with the sliding of the rubbing plate, so that the polishing angle of the needle head is changed, the polishing operation of the needle heads is realized, and the polishing efficiency of the needle head is improved;

2. with the help of can dismantle the centre gripping subassembly of fixing on the roll-over stand, the staff of being convenient for centre gripping connecting portion of fixed syringe needle earlier stage, when polishing the syringe needle simultaneously, also can utilize the centre gripping subassembly to carry out the centre gripping fixed to the connecting portion of syringe needle, improves the steadiness of syringe needle when polishing.

Drawings

FIG. 1 is a schematic axial view of an embodiment of the present application, which mainly shows the overall structure of a needle grinding device;

FIG. 2 is a partially enlarged view of portion A of FIG. 1, which mainly shows the schematic view of the clamping gap and the twisting gap;

FIG. 3 is a partial sectional view of the drive assembly embodying the primary structure of the present application;

FIG. 4 is a schematic view mainly showing the structure of a sliding rack and a roll-over stand in the embodiment of the present application;

FIG. 5 is a partial enlarged view of portion B of FIG. 4, which mainly shows the structure of the pressing cylinder, the guide rod and the pressing block;

FIG. 6 is a schematic view of a clamping assembly according to an embodiment of the present disclosure;

FIG. 7 is an enlarged view of a portion C of FIG. 4, which mainly shows the structure of the switch assembly;

fig. 8 is a schematic diagram mainly showing a structure of a pushing assembly according to an embodiment of the present application.

Reference numerals are as follows: 1. a frame; 11. sinking a groove; 2. a sander; 3. a sliding frame; 31. an avoidance groove; 32. fixing the ear; 33. turning over a motor; 34. a drive screw; 35. a threaded sleeve; 36. a mounting seat; 37. a pressing oil cylinder; 38. a guide bar; 39. a compression block; 4. a drive assembly; 41. a drive motor; 42. a screw rod; 43. a wire track; 5. receiving the guide rail; 6. twisting the plate; 7. a roll-over stand; 71. a pressing part; 72. rotating the lug; 8. a rubbing gap; 9. a clamping assembly; 91. a tool body; 911. a movable groove; 9111. a fixed clamping part; 9112. a tightening part; 91121. a through groove; 92. clamping the jacking block; 921. a vertical portion; 9211. a movable clamping part; 9212. a clamping gap; 922. a horizontal portion; 923. prying the groove; 93. a compression spring; 94. prying a rod; 941. a horizontal bar; 942. a vertical rod; 10. a switch assembly; 101. a shifting block; 102. poking the air cylinder; 20. a feeding table; 201. abutting the side wall; 202. a slide-assisting block; 30. a pushing frame; 40. a push assembly; 401. a rodless cylinder; 402. a limiting rod; 403. a push rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses a needle head grinding device.

Referring to fig. 1 and 3, the needle grinding apparatus includes a frame 1 and a grinder 2 installed at one side of the frame 1, the grinder 2 moving in a direction approaching or departing from the frame 1 by a linear motor module and grinding a needle insertion portion by a grinding wheel; the frame 1 is provided with a sliding frame 3 along the horizontal direction in a sliding manner, the sliding direction of the sliding frame 3 is parallel to the rotation axis of the grinding wheel, and the frame 1 is provided with a driving component 4 for driving the sliding frame 3 to slide on the bottom of the sliding frame 3.

Referring to fig. 1 and 2, a receiving guide rail 5 is fixed on one side of the roll-over stand 7 close to the rubbing plate 6, the rubbing plate 6 is arranged on one side of the sliding stand 3 close to the rubbing machine 2 on the receiving guide rail 5 in a sliding mode through a linear cylinder module, and the sliding direction of the rubbing plate 6 is parallel to that of the sliding stand 3; the side, away from the polisher 2, of the sliding frame 3 on the receiving guide rail 5 is rotatably provided with a roll-over frame 7, one side, close to the rubbing plate 6, of the roll-over frame 7 is provided with a pressing part 71, and a rubbing gap 8 for clamping a needle insertion part is formed between the pressing part 71 and the rubbing plate 6;

referring to fig. 1 and 2, accept the guide rail 5 and be located the below of twisting clearance 8, and accept and to dismantle on the guide rail 5 and be provided with centre gripping subassembly 9, this centre gripping subassembly 9 includes fixed clamping part 9111 and activity clamping part 9211, is formed with the opening between fixed clamping part 9111 and the activity clamping part 9211 and upwards is used for the centre gripping syringe needle connecting portion's that the centre gripping clearance 9212, is provided with on the roll-over stand 7 to be used for driving activity clamping part 9211 along being close to or keeping away from the switch subassembly 10 that fixed clamping part 9111 direction slided.

In actual use, the fixed clamping portions 9111 and the movable clamping portions 9211 in the clamping assembly 9 are used for clamping a plurality of needle head connecting portions, and then the clamping assembly 9 is placed on the bearing guide rail 5; then, the overturning frame 7 is overturned along the direction close to the rubbing plate 6, so that the pressing part 71 and the rubbing plate 6 clamp the insertion parts of a plurality of needles, the sliding frame 3 is driven to slide in a reciprocating manner, meanwhile, the grinding machine 2 drives the grinding wheel to slide along the direction close to the rack 1, and the needle insertion parts clamped by the overturning frame 7 are ground; in the process of polishing, utilize switch module 10 drive activity clamping part 9211 to slide along the direction of keeping away from fixed clamping part 9111, the connecting portion of release syringe needle, then, rub movable plate 6 and slide for the syringe needle between portion 71 that compresses tightly and the plate 6 that rubs takes place to rotate, and then changes the angle of polishing of syringe needle, and then realizes the operation of polishing to a plurality of syringe needles, has improved the efficiency of polishing to the syringe needle.

Referring to fig. 3, the driving assembly 4 includes a driving motor 41, a screw rod 42 and two linear rails 43, a sunken groove 11 with an upward opening is formed in the upper surface of the frame 1, the driving motor 41 is installed in the sunken groove 11, two ends of the screw rod 42 in the length direction are rotatably connected to the bottom wall of the sunken groove 11 through a bearing seat, one end of the screw rod 42 in the length direction is coaxially fixed to an output shaft of the driving motor 41, two linear rails 43 are laid on the bottom wall of the sunken groove 11, and the two linear rails 43 are respectively and symmetrically distributed on two sides of the screw rod 42. Wherein, the length direction of lead screw 42 and linear rail 43 all is parallel with the axis of rotation of polisher 2 emery wheel, and the bottom of sliding rack 3 passes through the sliding block and lead screw 42 threaded connection to slide through two linear rails 43 and set up on the diapire of heavy groove 11, and sliding rack 3 is located the diapire formation sliding fit of heavy groove 11 week side surface and sliding rack 3. In actual use, the driving motor 41 drives the screw rod 42 to rotate, so as to drive the sliding frame 3 to slide in a reciprocating manner.

Referring to fig. 1 and 4, an avoiding groove 31 with an upward opening is formed in one side of the sliding frame 3 away from the sinking groove 11, fixing lugs 32 are vertically fixed on two sides of the sliding frame 3 in the length direction of the avoiding groove 31, the roll-over frame 7 is positioned above the avoiding groove 31, rotating lugs 72 are vertically fixed on two sides of the roll-over frame 7 in the length direction, the two fixing lugs 32 are rotatably connected with the tops of the rotating lugs 72, the axis of the rotary joint is parallel to the sliding direction of the sliding frame 3, a roll-over motor 33 is arranged on the rotary frame 3, the output shaft of the roll-over motor 33 inclines downward and inclines towards the roll-over frame 7, a driving screw 34 is coaxially fixed on the output shaft of the roll-over motor 33, a threaded sleeve 35 which inclines is rotatably connected between the two rotating lugs 72, the threaded sleeve 35 is arranged on the roll-over frame 7 and far away from the grinding machine 2, the threaded sleeve 35 is connected with the driving screw 34 through threads, wherein, the rotating axes of the roll-over stand 7, the thread bush 35 and the roll-over motor 33 are parallel to each other. The overturning motor 33 drives the driving screw 34 to rotate forwards and backwards, and the overturning frame 7 rotates on the sliding frame 3 along the direction close to or far away from the rubbing plate 6 by utilizing the threaded connection between the driving screw 34 and the threaded sleeve 35.

Referring to fig. 4 and 5, the sliding frame 3 is fixed with mounting seats 36 on two symmetrical sides of the threaded sleeve 35, two mounting seats 36 are respectively provided with a pressing oil cylinder 37 with a piston rod inclined downwards and arranged towards one side of the grinding machine 2, two symmetrical sides of the pressing oil cylinder 37 on any mounting seat 36 are respectively provided with a guide rod 38 in an inserting sliding fit manner, the piston rod of the pressing oil cylinder 37 on any mounting seat 36 and the end parts of the two guide rods 38 close to the roll-over stand 7 are jointly fixed with pressing blocks 39, and the two pressing blocks 39 and one side of the roll-over stand 7 departing from the pressing part 71 form an abutting fit. In practical use, when the roll-over stand 7 is driven by the roll-over motor 33 to rotate to an inclined state, that is, the pressing part 71 of the roll-over stand 7 and the rubbing plate 6 clamp the insertion part of the needle, the two pressing cylinders 37 simultaneously drive the two pressing blocks 39 to press and match the roll-over stand 7, so that the needle clamping effect is improved.

Referring to fig. 2 and 6, the clamping assembly 9 includes a tool body 91, a clamping top block 92 and a compression spring 93, a movable groove 911 with an upward opening is formed in one side of the tool body 91 close to the needle connecting portion, a fixed clamping portion 9111 is formed in one side of the movable groove 911, a pressing portion 9112 is formed in the other side of the movable groove 911, the clamping top block 92 is L-shaped and includes a vertical portion 921 and a horizontal portion 922, the clamping top block 92 is located in the movable groove 911 and slides in a direction close to or away from the fixed clamping portion 9111, the movable clamping portion 9211 is formed on one side of the vertical portion 921 of the clamping top block 92 close to the fixed clamping portion 9111, that is, a clamping gap 9212 is formed between the fixed clamping portion 9111 and the movable clamping portion 9211; compression spring 93 is provided with a plurality ofly at the interval in activity groove 911, and the one end of arbitrary compression spring 93 is fixed in the one side that centre gripping kicking block 92 horizontal part 922 deviates from fixed clamping part 9111, and the other end is fixed on supporting tight portion 9112 for the movable clamping part 9211 of centre gripping kicking block 92 supports tightly on the fixed clamping part 9111 of the frock body 91 under the effect of compression spring 93 elasticity.

Referring to fig. 2 and 6, the clamping assembly 9 further includes a plurality of pry bars 94 disposed along the length direction of the tool body 91, and since the structure of any one of the pry bars 94 and the connection manner between the tool body 91 and the clamping top block 92 are the same, any one of the pry bars 94 will be described as an example.

Referring to fig. 2 and 6, the levering rod 94 includes a horizontal rod 941 and a vertical rod 942 that are vertical fixed settings, the tight portion 9112 that supports of the tool body 91 runs through and has been seted up and run through the groove 91121, the horizontal portion 922 and the vertical portion 921 of centre gripping kicking block 92 all run through and have been seted up the levering groove 923, the horizontal rod 941 wears to establish levering groove 923 on the vertical portion 921 in proper order and runs through the groove 91121 and be the protrusion setting on supporting the tight portion 9112, and horizontal rod 941 and levering groove 923 all are provided with the activity space between running through the groove 91121, the levering groove 923 on the horizontal portion 922 of centre gripping kicking block 92 is worn to establish by vertical rod 942, the junction of vertical rod 942 and horizontal rod 941 rotates to be connected on the fixed clamping portion 9111 of the tool body 91, and the axis of rotation of levering rod 94 is parallel with the sliding direction of the sliding frame 3.

Referring to fig. 4 and 7, the roll-over stand 7 is provided with a switch assembly 10 at the end of each horizontal rod 941, and since the structure and installation of any switch assembly 10 are the same, any switch assembly 10 is illustrated by way of example.

Referring to fig. 4 and 7, the switch assembly 10 includes a toggle block 101 and a toggle cylinder 102, the toggle block 101 is a folding type, a turning point of the toggle block 101 is rotatably connected to the roll-over stand 7, a cylinder body of the toggle cylinder 102 is rotatably connected to the roll-over stand 7, a piston rod of the toggle cylinder 102 is disposed in an inclined manner, one end of the toggle block 101 is rotatably connected to an end of the piston rod of the toggle cylinder 102, the other end of the toggle block 101 is located above the horizontal rod 941, and rotation axes of the toggle block 101 and the toggle cylinder 102 are parallel to a sliding direction of the slide frame 3.

In actual use, stir cylinder 102 drive and dial piece 101 and rotate, make the one end of dialling piece 101 stir horizontal pole 941 downwards, under the leverage that forms between vertical pole 942 and horizontal pole 941, vertical pole 942 just can prize to the direction of portion 9112 that supports tightly, drive centre gripping kicking block 92 along the direction removal of keeping away from fixed clamping part 9111, make centre gripping clearance 9212 appear between centre gripping kicking block 92 and the fixed clamping part 9111, when switch module 10 relieved the operation of stirring to horizontal pole 941, under the effect of compression spring 93 elasticity, centre gripping kicking block 92 moves along the direction that is close to fixed clamping part 9111, play the effect of centre gripping to the syringe needle connecting portion that is located in centre gripping clearance 9212.

Referring to fig. 4 and 8, a feed table 20 abutting against the receiving guide rail 5 is fixed on one side of the sliding frame 3 on the receiving guide rail 5, an abutting side wall 201 is integrally formed on one side of the feed table 20 close to the sander 2, and an auxiliary slide block 202 with a low friction coefficient is fixed on one end of the feed table 20 in the length direction close to the receiving guide rail 5 through a screw; and the sliding frame 3 is provided with a pushing frame 30 above the feeding table 20, and the pushing frame 30 is provided with a pushing assembly 40 for driving the clamping assembly 9 to slide from the feeding table 20 to the receiving guide rail 5. The pushing assembly 40 comprises a rodless cylinder 401, two limiting rods 402 and two push rods 403, the rodless cylinder 401 is fixed on the pushing frame 30, the sliding direction of the rodless cylinder 401 is parallel to that of the sliding frame 3, the two limiting rods 402 are arranged, two ends of the two limiting rods 402 in the length direction are fixed on the pushing frame 30, the length directions of the two limiting rods 402 are parallel to that of the rodless cylinder 401, and the push rods 403 are fixed on the rodless cylinder 401 and sleeved on the two guide rods 38 to form sliding fit with the two limiting rods 402.

In practical use, the rodless cylinder 401 is used for pushing the push rod 403 to perform reciprocating motion under the limiting effect of the limiting rod 402, so that the tool body 91 placed on the feeding table 20 is pushed to the bearing guide rail 5, and one side of the tool body 91 departing from the movable groove 911 is embedded and slides in the bearing guide rail 5.

The implementation principle of the needle polishing device in the embodiment of the application is as follows:

feeding: in actual use, the fixed clamping part 9111 and the movable clamping part 9211 in the clamping assembly 9 are used for clamping a plurality of needle head connecting parts, then the clamping assembly 9 is placed on the feeding table 20 and abutted against the abutting side wall 201, the push rod 403 is pushed by the rodless cylinder 401 to slide under the limiting action of the limiting rod 402, the tool body 91 placed on the feeding table 20 is pushed to the bearing guide rail 5, one side of the tool body 91, which is deviated from the movable groove 911, is embedded and slides on the bearing guide rail 5 in the bearing guide rail 5, and at the moment, the inserted part of the needle head is positioned in the twisting gap 8;

clamping: the overturning motor 33 drives the driving screw rod 34 to rotate, and drives the pressing part 71 on the overturning frame 7 to rotate along the direction close to the twisting plate 6 by utilizing the threaded connection between the driving screw rod 34 and the threaded sleeve 35, so as to clamp the needle inserting part in the twisting gap 8;

and (3) compressing: the two pressing oil cylinders 37 simultaneously drive the two pressing blocks 39 to press the side wall of the turnover frame 7, which is far away from the pressing part 71, so that the needle head clamping effect is improved;

polishing: then, the grinding machine 2 moves along the direction close to the rack 1 and drives the grinding wheel to rotate, and the sliding frame 3 slides on the rack 1 in a reciprocating manner under the action of the driving motor 41 to grind the inclined plane of the needle insertion part;

adjusting: utilize and stir cylinder 102 drive and stir piece 101 and rotate, make stir piece 101 and be close to the one end of polisher 2 and stir horizontal pole 941 downwards, under the leverage that forms between vertical pole 942 and horizontal pole 941, vertical pole 942 just can pry to the direction of supporting portion 9112 tightly, drive centre gripping kicking block 92 along keeping away from the direction movement of fixed clamping part 9111, make centre gripping clearance 9212 appear between centre gripping kicking block 92 and the fixed clamping part 9111, it is fixed to relieve the centre gripping of clamping component 9 to the syringe needle connecting portion promptly, then, the rubbing board 6 slides under the drive of sharp module, make the syringe needle between hold-down portion 71 and the rubbing board 6 take place to rotate, and then change the angle of polishing of syringe needle;

after the adjustment is accomplished, resume to home position when stirring cylinder 102, when removing the operation of stirring to horizontal pole 941, under the effect of compression spring 93 elasticity, centre gripping kicking block 92 removes along the direction that is close to fixed clamping part 9111, plays the effect of centre gripping once more to the syringe needle connecting portion that is arranged in centre gripping clearance 9212, and then polishes the operation once more, has improved the efficiency of polishing to the syringe needle greatly.

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)

1. The utility model provides a syringe needle grinding device which characterized in that: including frame (1) and polisher (2) of setting in frame (1) one side, it is provided with slip frame (3) to slide along the horizontal direction in frame (1), slip frame (3) are close to one side of polisher (2) and slide and are provided with rub board (6), the direction of sliding of rub board (6) is parallel with the direction of sliding of slip frame (3), it is provided with roll-over stand (7) to rotate along the direction of being close to or keeping away from rub board (6) on slip frame (3), one side that roll-over stand (7) are close to rub board (6) is provided with compressing tightly portion (71), it moves clearance (8) to be formed with the rubbing that is used for centre gripping syringe needle insertion portion between compressing tightly portion (71) and rub board (6), slip frame (3) are located the below of rubbing clearance (8) and are provided with centre gripping subassembly (9), centre gripping subassembly (9) are including fixed clamping part (9111) and activity clamping part (9211), a clamping gap (9212) with an upward opening and used for clamping the needle head connecting part is formed between the fixed clamping part (9111) and the movable clamping part (9211), and a switch assembly (10) used for driving the movable clamping part (9211) to slide in the direction close to or far away from the fixed clamping part (9111) is arranged on the turnover frame (7);

a pressing oil cylinder (37) is fixedly arranged on the sliding frame (3), and the end part of a piston rod of the pressing oil cylinder (37) is abutted against one side of the overturning frame (7) departing from the abutting part (9112);

the clamping assembly (9) comprises a tool body (91), a clamping ejector block (92) and a compression spring (93), the tool body (91) is provided with a movable groove (911), the fixed clamping part (9111) is formed on one side of the movable groove (911), the other side of the movable groove (911) opposite to the clamping top block (92) is provided with a propping part (9112), the clamping top block (92) is positioned in the movable groove (911) and slides along the direction close to or far away from the fixed clamping part (9111), the movable clamping part (9211) is formed on one side of the clamping top block (92) close to the fixed clamping part (9111), two ends of the compression spring (93) are respectively abutted against one side of the abutting part (9112) and one side of the clamping top block (92) departing from the movable clamping part (9211), the clamping assembly (9) further comprises a prying component for prying the clamping jacking block (92) to move away from the fixed clamping part (9111);

the prying component comprises a prying rod (94), the prying rod (94) comprises a horizontal rod (941) and a vertical rod (942) which are vertically and fixedly arranged, a prying groove (923) is formed by penetrating through a horizontal part (922) and a vertical part (921) of the clamping top block (92), the horizontal rod (941) penetrates through the prying groove (923) of a clamping part (9112) and the vertical part (921) and forms clearance fit with the horizontal rod, the end part of the vertical rod (942) is inserted and arranged in the prying groove (923) and forms clearance fit with the prying groove (923), the connecting part of the horizontal rod (941) and the vertical rod (942) forms rotary connection with a fixed clamping part (9111), the rotation axis of the horizontal rod (941) is parallel to the sliding direction of the sliding frame (3), and the switch assembly (10) is used for driving the horizontal rod (941) to swing downwards;

the switch assembly (10) comprises a shifting block (101) and a shifting cylinder (102), the middle of the shifting block (101) is rotatably connected to the roll-over stand (7), the rotation axis of the shifting block (101) is parallel to the sliding direction of the sliding stand (3), the shifting cylinder (102) is rotatably connected to the roll-over stand (7), one end of the shifting block (101) is rotatably connected with the end of the piston rod of the shifting cylinder (102), the rotation axes of the shifting cylinder (102) and the shifting block (101) are parallel to the sliding direction of the sliding stand (3), and the other end of the shifting block (101) is positioned above the horizontal rod (941);

a bearing guide rail (5) is fixedly arranged on the roll-over stand (7), and one side of the tooling body (91) departing from the movable groove (911) of the tooling body is in embedded sliding fit with the bearing guide rail (5);

a feeding table (20) which is butted with the receiving guide rail (5) is arranged on one side of the sliding frame (3), and a pushing assembly (40) which is used for driving the tool body (91) to slide from the feeding table (20) to the receiving guide rail (5) is arranged above the feeding table (20) of the sliding frame (3);

the pushing assembly (40) comprises a rodless cylinder (401), limiting rods (402) and a push rod (403), the rodless cylinder (401) is fixed on the pushing frame (30), the sliding direction of the rodless cylinder (401) is parallel to that of the sliding frame (3), two limiting rods (402) are arranged, two ends of the two limiting rods (402) in the length direction are fixed on the pushing frame (30), the length directions of the two limiting rods (402) are parallel to that of the rodless cylinder (401), and the push rod (403) is fixed on the rodless cylinder (401) and sleeved on the two guide rods (38) to form sliding fit with the two limiting rods (402);

rotate in frame (1) and be provided with upset motor (33), coaxial drive screw (34) of being fixed with on the output shaft of upset motor (33), one side that roll-over stand (7) deviate from polisher (2) is rotated and is provided with thread bush (35), thread bush (35) are connected through the screw with drive screw (34), the axis of rotation of roll-over stand (7), thread bush (35), upset motor (33) is parallel.

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