Press-fitting turret device suitable for assembling pre-filling needle

Abstract

The utility model belongs to the field of pre-filling needle assembly, and provides a press-fitting turret device suitable for pre-filling needle assembly, which comprises an assembly disc for rotatably conveying a safety device, the first rotating drum is used for driving the press-fitting mechanism and the assembling disc to rotate synchronously; the press-fitting mechanism comprises a clamping jaw press-fitting assembly and a sliding block press-fitting assembly; the rotation driving mechanism is used for realizing rotation of the assembly disc and the first rotating drum; the lifting driving mechanism is used for achieving independent lifting of the clamping jaw press-fitting assembly and the sliding block press-fitting assembly. According to the press-fitting turret device suitable for assembling the pre-filling needle, a double press-fitting mode of clamping jaw press-fitting and sliding block press-fitting is adopted, the press-fitting precision is improved, and it is guaranteed that press-fitting is in place.

Description

TECHNICAL FIELD

[0001] The utility model relates to an assembly equipment, especially a press-fitting turret device suitable for pre-filled needle assembly. BACKGROUND

[0002] In the pre-filled needle packaging industry, a press-fitting turret device is usually used to complete the assembly of safety devices and pre-filled needles. The existing press-fitting turret device uses clamping jaws to clamp the pre-filled needle and move downward to complete the press-fitting with the safety device. However, this method has the defect of low press-fitting precision, which easily leads to misassembly. SUMMARY

[0003] The utility model aims at overcoming the existing defects and providing a press-fitting turret device suitable for pre-filled needle assembly, which solves the problem of low press-fitting precision and misassembly of the existing press-fitting turret device.

[0004] To solve the above technical problems, the utility model provides the following technical scheme:

[0005] A press-fitting turret device suitable for pre-filled needle assembly, comprising an assembly disc for rotating and conveying safety devices; a first rotating cylinder for driving the press-fitting mechanism to rotate synchronously with the assembly disc, wherein the press-fitting mechanism comprises a clamping jaw press-fitting assembly and a sliding block press-fitting assembly; a rotating drive mechanism for rotating the assembly disc and the first rotating cylinder; and a lifting drive mechanism for independently lifting the clamping jaw press-fitting assembly and the sliding block press-fitting assembly.

[0006] Further, the device comprises a fixed main shaft, the rotating drive mechanism comprises a shaft coupling drive device, the shaft coupling drive device comprises an inner sleeve, the inner sleeve is fixedly sleeved on the fixed main shaft, a bearing is sleeved on the outer side of the inner sleeve, a second rotating cylinder is sleeved on the outer side of the bearing, a drive gear is connected to the lower end of the second rotating cylinder, a rotating disc is connected to the upper end of the second rotating cylinder, the outer edge of the rotating disc is connected to the assembly disc, the upper end of the rotating disc is connected to the lower end of the first rotating cylinder, and the assembly disc and the first rotating cylinder are both centered on the fixed main shaft.

[0007] Further, the outer side of the first rotating drum is provided with a plurality of vertical sliding rails at equal intervals in the circumferential direction, and a vertical waist-shaped hole is formed between any two adjacent vertical sliding rails; the clamping jaw pressing assembly comprises a first lifting block, the inside of the first lifting block is provided with a driven gear and a driving gear arranged horizontally and engaged with each other, the center of the driving gear is provided with a rotating rod penetrating therethrough, the lower part of the rotating rod penetrates through the first lifting block, the lower part of the rotating rod is fixedly connected with the driving gear, the lower part of the rotating rod is rotationally limited with the first lifting block, the lower end of the rotating rod penetrates out of the bottom of the first lifting block and is fixedly connected with a first clamping jaw arm, the center of the driven gear is provided with a connecting rod penetrating therethrough, the connecting rod is fixedly connected with the driven gear, the connecting rod is rotationally limited with the first lifting block, the lower end of the connecting rod penetrates out of the bottom of the first lifting block and is fixedly connected with a second clamping jaw arm, the extending directions of the first clamping jaw arm and the second clamping jaw arm are consistent with the front end face of the first lifting block and can be relatively buckled; the rotating rod is connected with a clamping jaw opening and closing control assembly; the sliding block pressing assembly comprises a second lifting block, the upper part of the rotating rod penetrates through the second lifting block, the second lifting block can slide up and down along the rotating rod, the front end face of the second lifting block is consistent with the front end face of the first lifting block in the direction of facing, the front end face of the second lifting block is provided with a downward pressing connecting rod, the upper end of the downward pressing connecting rod is fixed on the front end face of the second lifting block, the lower end of the downward pressing connecting rod is connected with a downward pressing block, the downward pressing block is located directly above the buckling position of the first clamping jaw arm and the second clamping jaw arm.

[0008] Further, the lifting driving mechanism comprises a connecting cylinder, the connecting cylinder is located inside the first rotating drum and is sleeved on the fixed main shaft, the outer side of the connecting cylinder is sleeved with a track cylinder, the outer side of the track cylinder is provided with a first curved track and a second curved track; the rear end face of the first lifting block is fixedly provided with a first sliding block and a first U-shaped frame, the first sliding block is slidingly connected with the vertical sliding rail, the frame arms of the first U-shaped frame are respectively located on the two sides of the first sliding block and penetrate through two adjacent vertical waist-shaped holes, the base of the first U-shaped frame is located on the inner side of the first rotating drum and is connected with a first roller through a first roller shaft, and the first roller is located in the first curved track; the rear end face of the second lifting block is fixedly provided with a second sliding block and a second U-shaped frame, the second sliding block is slidingly connected with the vertical sliding rail, the frame arms of the second U-shaped frame are respectively located on the two sides of the second sliding block and penetrate through two adjacent vertical waist-shaped holes, the base of the second U-shaped frame is located on the inner side of the first rotating drum and is connected with a second roller through a second roller shaft, and the second roller is located in the second curved track.

[0009] Further, the jaw opening and closing control assembly comprises a rotating arm, one end of the rotating arm is fixedly connected with the upper end of the rotating rod, the other end of the rotating arm is vertically provided with a third roller shaft, the lower end of the third roller shaft is fixedly connected with the rotating arm, and the upper end of the third roller shaft is sleeved with a third roller which can freely rotate; the upper part of the rotating rod is fixedly sleeved with a rotating ring, the rotating ring is fixedly provided with a torsional spring, the outer side surface of the first lifting block is provided with a limiting stop rod, the lower end of the limiting stop rod is fixed on the outer side surface of the first lifting block, and the upper end of the limiting stop rod is located on the side surface of the torsional spring and in contact with the torsional spring; the top of the fixed main shaft is sequentially connected with a fixed main plate, a first fixed sub-plate and a second fixed sub-plate from top to bottom, the radial outer edges of the first fixed sub-plate and the second fixed sub-plate correspond to two jaw opening regions in the pressing assembly process respectively, and the lower end surfaces of the radial outer edges of the first fixed sub-plate and the second fixed sub-plate are provided with vertical arc-shaped connecting plates, the bottom of each vertical arc-shaped connecting plate is connected with an arc-shaped stop bar, and the horizontal height of the arc-shaped stop bar is same with the horizontal height of the third roller in the corresponding region.

[0010] The utility model discloses a kind of pre-filled needle assembly applicable pressure equipment turret, adopt the dual pressing assembly mode of jaw pressing assembly and sliding block pressing assembly, improve pressing assembly precision, ensure that pressing assembly is in place. BRIEF DESCRIPTION OF DRAWINGS

[0011] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0012] Fig. 1 It is the three-dimensional schematic diagram (without cover) of the utility model;

[0013] Fig. 2 It is the partial sectional view schematic diagram (with cover) of the utility model;

[0014] Fig. 3 It is the schematic diagram of the pressing mechanism in the utility model. DETAILED DESCRIPTION

[0015] The preferred embodiments of the present application will be described below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the present application, and do not limit the present application.

[0016] As Figs. 1-3As shown, a pre-filling needle assembly suitable press-fit turret device, comprising an assembly disc 1 for rotating the delivery safety device; a first rotating cylinder 2 for driving the press-fit mechanism to rotate synchronously with the assembly disc 1, the press-fit mechanism comprising a jaw press-fit assembly and a slider press-fit assembly; a rotating drive mechanism for realizing the rotation of the assembly disc 1 and the first rotating cylinder 2; a lifting drive mechanism for realizing the independent lifting of the jaw press-fit assembly and the slider press-fit assembly.

[0017] The press-fit turret device comprises a fixed main shaft 3, the rotating drive mechanism comprises a shaft coupling driving device, the shaft coupling driving device comprises an inner sleeve 4, the inner sleeve 4 is fixedly sleeved on the fixed main shaft 3, the outer side of the inner sleeve 4 is sleeved with a bearing, the outer side of the bearing is sleeved with a second rotating cylinder 5, the lower end of the second rotating cylinder 5 is connected with a driving gear 6, the upper end of the second rotating cylinder 5 is connected with a rotating disc 7, the outer edge of the rotating disc 7 is connected with the assembly disc 1, the upper end of the rotating disc 7 is connected with the lower end of the first rotating cylinder 2, and the assembly disc 1 and the first rotating cylinder 2 are both centered on the fixed main shaft 3.

[0018] The outer side of the first rotating cylinder 2 is circumferentially and equidistantly provided with a plurality of vertical slide rails 8, and a vertical waist-shaped hole 9 is formed between adjacent two vertical slide rails 8; the jaw press-fit assembly comprises a first lifting block 10, the inside of the first lifting block 10 is provided with a horizontal arrangement and intermeshing driven gear (not shown in the figure) and driving gear 11, the center of the driving gear 11 is throughly provided with a rotating rod 12, the lower part of the rotating rod 12 penetrates the first lifting block 10, the lower part of the rotating rod 12 is fixedly connected with the driving gear 11, the lower part of the rotating rod 12 is rotationally limitedly connected with the first lifting block 10, the lower end of the rotating rod 12 penetrates out of the bottom of the first lifting block 10 and is fixedly connected with a first jaw arm 13, the center of the driven gear is throughly provided with a connecting rod (not shown in the figure), the connecting rod is fixedly connected with the driven gear, the connecting rod is rotationally limitedly connected with the first lifting block 10, the lower end of the connecting rod penetrates out of the bottom of the first lifting block 10 and is fixedly connected with a second jaw arm 14, the extending directions of the first jaw arm 13 and the second jaw arm 14 are consistent with the front end face direction of the first lifting block 10 and can be relatively buckled; the rotating rod 12 is connected with a jaw opening and closing control assembly; the slider press-fit assembly comprises a second lifting block 15, the upper part of the rotating rod 12 penetrates the second lifting block 15, the second lifting block 15 can slide up and down along the rotating rod 12, the front end face direction of the second lifting block 15 is consistent with the front end face direction of the first lifting block 10, the front end face of the second lifting block 15 is provided with a downward pressing connecting rod 16, the upper end of the downward pressing connecting rod 16 is fixed on the front end face of the second lifting block 15, the lower end of the downward pressing connecting rod 16 is connected with a downward pressing block 17, and the downward pressing block 17 is located directly above the buckling position of the first jaw arm 13 and the second jaw arm 14.

[0019] The lifting driving mechanism comprises a connecting cylinder 18 which is located inside the first rotary cylinder 2 and is sleeved on the fixed main shaft 3, the outer side of the connecting cylinder 18 is sleeved with a track cylinder 19, the outer side of the track cylinder 19 is provided with a first curved track 20 and a second curved track 21; the rear end surface of the first lifting block 10 is fixed with a first sliding block 22 and a first U-shaped frame 23, the first sliding block 22 is in sliding connection with the vertical sliding rail 8, the frame arms of the first U-shaped frame 23 are located on the two sides of the first sliding block 22 respectively and pass through the adjacent two vertical waist-shaped holes 9, the base of the first U-shaped frame 23 is located on the inner side of the first rotary cylinder 2 and is connected with a first roller 24 through a first roller shaft, and the first roller 24 is located in the first curved track 20; the rear end surface of the second lifting block 15 is fixed with a second sliding block 25 and a second U-shaped frame 26, the second sliding block 25 is in sliding connection with the vertical sliding rail 8, the frame arms of the second U-shaped frame 26 are located on the two sides of the second sliding block 25 respectively and pass through the adjacent two vertical waist-shaped holes 9, the base of the second U-shaped frame 26 is located on the inner side of the first rotary cylinder 2 and is connected with a second roller 27 through a second roller shaft, and the second roller 27 is located in the second curved track 21.

[0020] The clamping jaw opening and closing control assembly comprises a rotating arm 28, one end of the rotating arm 28 is fixedly connected with the upper end of the rotating rod 12, the other end of the rotating arm 28 is vertically and penetratingly provided with a third roller shaft, the lower end of the third roller shaft is fixedly connected with the rotating arm 28, and the upper end of the third roller shaft is sleeved with a third roller 29 which can rotate freely; the upper part of the rotating rod 12 is fixedly sleeved with a rotary ring 30, the rotary ring 30 is fixedly provided with a torsional spring 31, the outer side surface of the first lifting block 10 is provided with a limiting stop rod 32, the lower end of the limiting stop rod 32 is fixed on the outer side surface of the first lifting block 10, and the upper end of the limiting stop rod 32 is located on the side surface of the torsional spring 31 and is in contact with the torsional spring 31 (the torsional spring 31 is used for resetting the rotating rod 12 to make the clamping jaw be in the open state); the top of the fixed main shaft 3 is sequentially connected with a fixed main plate 33, a first fixed sub-plate 34 and a second fixed sub-plate 35 from top to bottom, the radial outer edges of the first fixed sub-plate 34 and the second fixed sub-plate 35 respectively correspond to two clamping jaw opening regions in the press fitting operation process, the lower end surface of the radial outer edges of the first fixed sub-plate 34 and the second fixed sub-plate 35 is provided with a vertical arc-shaped connecting plate 36, the bottom of the vertical arc-shaped connecting plate 36 is connected with an arc-shaped stop strip 37, and the horizontal height of the arc-shaped stop strip 37 is the same as that of the corresponding third roller 29.

[0021] Working principle:

[0022] The safety device is sent to the assembly disc 1 from the previous process, the safety device rotates synchronously with the assembly disc 1 under the cooperation of the assembly disc 1 and the external baffle A, the pre-filled needle is sent to the corresponding clamping jaw opening region of the second fixed sub-plate 35 from the previous process, after passing through the region, the rotating rod 12 rotates under the action of the torsional spring 31 to make the clamping jaw clasp and hold the pre-filled needle, and then the pre-filled needle is aligned with the safety device one by one and rotates synchronously around the fixed main shaft 3.

[0023] After leaving the second fixed sub-plate 35 corresponding to the opening area of the clamp jaw, the curve of the first curve track 20 and the second curve track 21 is synchronously lowered, the first lifting block 10 and the second lifting block 15 are synchronously lowered, the clamp jaw press-fitting assembly inserts the pre-filled needle into the safety device, and the first press-fitting is completed;

[0024] When the pre-filled needle is turned to the first fixed sub-plate 34 corresponding to the opening area of the clamp jaw together with the safety device, the arc-shaped blocking strip 37 pushes the third roller 29, the rotating rod 12 is rotated to open the clamp jaw, at the same time, the curve of the second curve track 21 is lowered again, the second lifting block 15 is lowered alone, and the pre-filled needle is further pressed into the safety device by the lower pressing block 17, the second press-fitting is completed, and the pre-filled needle is ensured to be press-fitted in place;

[0025] The finished product after the second press-fitting is sent to the next process, the curve of the first curve track 20 and the second curve track 21 is raised to make the first lifting block 10 and the second lifting block 15 return to the height of waiting for feeding.

[0026] The utility model discloses a kind of pre-filled needle assembly applicable press-fitting turret devices, using the dual press-fitting mode of clamp jaw press-fitting and sliding block press-fitting, improve press-fitting precision, ensure press-fitting in place.

[0027] Finally, it should be noted that: the above only for preferred embodiment of the utility model has described, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A press loading turret device suitable for pre-charged needle assembly, characterized by: The utility model relates to a kind of safety device for rotating conveying assembly disc; First rotating cylinder for driving press-fit mechanism and assembly disc synchronous rotation, the press-fit mechanism includes jaw press-fit component and slider press-fit component; Rotating drive mechanism for realizing the rotation of assembly disc and first rotating cylinder; Lifting drive mechanism for realizing the independent lifting of jaw press-fit component and slider press-fit component. Including fixed main shaft, the rotating drive mechanism includes shaft coupling driving device, the shaft coupling driving device includes inner sleeve, the inner sleeve is fixedly sleeved on the fixed main shaft, the outer side of the inner sleeve is sleeved with bearing, the outer side of the bearing is sleeved with second rotating cylinder, the lower end of the second rotating cylinder is connected with driving gear, the upper end of the second rotating cylinder is connected with rotating disc, the outer edge of the rotating disc is connected with the assembly disc, the upper end of the rotating disc is connected with the lower end of the first rotating cylinder, and the assembly disc and first rotating cylinder are all with the fixed main shaft as central axis.

2. A press loading turret device for pre-charged needle assembly, according to claim 1, wherein: The outer side of the first rotating cylinder is provided with a plurality of vertical slide rails at equal intervals in the circumferential direction, and a vertical waist-shaped hole is formed between adjacent two vertical slide rails of the first rotating cylinder; 3. A press loading turret apparatus for pre-charged needle assembly, according to claim 2, wherein: The jaw press-fit component includes first lifting block, the inside of the first lifting block is provided with driven gear and driving gear arranged horizontally and engaged with each other, the center of the driving gear is throughly provided with rotating rod, the lower part of the rotating rod penetrates the first lifting block, the lower part of the rotating rod is fixedly connected with the driving gear, the lower part of the rotating rod is rotationally limitedly connected with the first lifting block, the lower end of the rotating rod is connected with first jaw arm and fixedly connected with second jaw arm from the bottom of the first lifting block, the center of the driven gear is throughly provided with connecting rod, the connecting rod is fixedly connected with the driven gear, the connecting rod is rotationally limitedly connected with the first lifting block, the lower end of the connecting rod is connected with second jaw arm and fixedly connected with first jaw arm from the bottom of the first lifting block, and the extension directions of the first jaw arm and the second jaw arm are consistent with the front end face direction of the first lifting block and can be relatively buckled; The rotating rod is connected with jaw opening and closing control component; The slider press-fit component includes second lifting block, the upper part of the rotating rod penetrates the second lifting block, the second lifting block can slide up and down along the rotating rod, the front end face direction of the second lifting block is consistent with the front end face direction of the first lifting block, the front end face of the second lifting block is provided with downward pressing connecting rod, the upper end of the downward pressing connecting rod is fixed on the front end face of the second lifting block, the lower end of the downward pressing connecting rod is connected with downward pressing block, and the downward pressing block is located directly above the buckling position of the first jaw arm and the second jaw arm. The lifting drive mechanism includes connecting cylinder, the connecting cylinder is located in the inside of the first rotating cylinder and is sleeved on the fixed main shaft, the outer side of the connecting cylinder is sleeved with track cylinder, and the outer side of the track cylinder is provided with first curve track and second curve track.

4. A press loading turret apparatus for pre-charged needle assembly, according to claim 3, wherein: ​ The rear end surface of the first lifting block is fixed with a first sliding block and a first U-shaped frame, the first sliding block is in sliding connection with the vertical sliding rail, the frame arms of the first U-shaped frame are respectively located on the two sides of the first sliding block and pass through the adjacent two vertical waist-shaped holes, the base of the first U-shaped frame is located on the inner side of the first rotating drum and is connected with a first roller through a first roller shaft, and the first roller is located in the first curved track; The rear end surface of the second lifting block is fixed with a second sliding block and a second U-shaped frame, the second sliding block is in sliding connection with the vertical sliding rail, the frame arms of the second U-shaped frame are respectively located on the two sides of the second sliding block and pass through the adjacent two vertical waist-shaped holes, the base of the second U-shaped frame is located on the inner side of the first rotating drum and is connected with a second roller through a second roller shaft, and the second roller is located in the second curved track.

5. A press loading turret apparatus for pre-charged needle assembly, according to claim 3, wherein: The clamping jaw opening and closing control assembly comprises a rotating arm, one end of the rotating arm is fixedly connected with the upper end of the rotating rod, the other end of the rotating arm is vertically penetrated with a third roller shaft, the lower end of the third roller shaft is fixedly connected with the rotating arm, and the upper end of the third roller shaft is sleeved with a third roller capable of freely rotating; The upper part of the rotating rod is fixedly sleeved with a rotary ring, a torsional spring is fixedly arranged on the rotary ring, the outer side surface of the first lifting block is provided with a limiting stop rod, the lower end of the limiting stop rod is fixed on the outer side surface of the first lifting block, and the upper end of the limiting stop rod is located on the side surface of the torsional spring and in contact with the torsional spring; The top of the fixed main shaft is sequentially connected with a fixed main plate, a first fixed sub-plate and a second fixed sub-plate from top to bottom, the radial outer edges of the first fixed sub-plate and the second fixed sub-plate respectively correspond to two clamping jaw opening regions in the press fitting operation process, the lower end surface of the radial outer edges of the first fixed sub-plate and the second fixed sub-plate is provided with a vertical arc-shaped connecting plate, the bottom of the vertical arc-shaped connecting plate is connected with an arc-shaped stop bar, and the horizontal height of the arc-shaped stop bar is the same as the horizontal height of the third roller corresponding to the region.

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