CN211758060U - Elastic cylindrical pin mounting device - Google Patents

Elastic cylindrical pin mounting device Download PDF

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Publication number
CN211758060U
CN211758060U CN201921421702.1U CN201921421702U CN211758060U CN 211758060 U CN211758060 U CN 211758060U CN 201921421702 U CN201921421702 U CN 201921421702U CN 211758060 U CN211758060 U CN 211758060U
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CN
China
Prior art keywords
hole
guide
movable column
pushing rod
elastic cylindrical
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Withdrawn - After Issue
Application number
CN201921421702.1U
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Chinese (zh)
Inventor
赵明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Feiwan Medical Technology Co ltd
Original Assignee
Wuxi Feiwan Tool Co ltd
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Application filed by Wuxi Feiwan Tool Co ltd filed Critical Wuxi Feiwan Tool Co ltd
Priority to CN201921421702.1U priority Critical patent/CN211758060U/en
Application granted granted Critical
Publication of CN211758060U publication Critical patent/CN211758060U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model relates to a knife rest processing equipment, elasticity cylindric lock installation device specifically says so. The support plate is characterized by comprising a vertical plate, a support plate is arranged on one side of the vertical plate, a first through hole is formed in the support plate, and a support seat is arranged in the first through hole. The upper surface of the supporting seat is provided with a blind hole, a movable column is arranged in the blind hole, a return spring is arranged between the lower end of the movable column and the bottom of the blind hole, and the upper end of the movable column is provided with a positioning needle. A driving cylinder is arranged on the vertical plate above the supporting plate, a pressing plate is connected to the outer end of a piston rod of the driving cylinder, and a guide through hole is formed in the pressing plate above the positioning needle. The guide sleeve is arranged above the guide through hole and fixed on the pressing plate through the connecting block, the material pushing rod is arranged in the guide sleeve, the upper end of the material pushing rod is provided with an annular boss extending outwards in the radial direction, and a return spring is arranged on the material pushing rod between the annular boss and the guide sleeve. The lower end of the pushing rod is provided with a pushing needle, and the pushing needle, the guide through hole and the positioning needle are coaxially arranged. The installation device has the advantages of high working efficiency, capability of avoiding potential safety hazards and high qualification rate.

Description

Elastic cylindrical pin mounting device
Technical Field
The utility model relates to a knife rest processing equipment, the elasticity cylindric lock installation device on assembling the knife rest with the elasticity cylindric lock specifically says so.
Background
It is known in the industry of surgical knives and other cutting tools that during the installation of some knife holders, elastic cylindrical pins are required to be inserted into elastic cylindrical pin holes of the knife holder.
At present, a pure manual installation method is used for installing an elastic cylindrical pin in the industry, namely, a worker holds a tool rest by hand firstly; then, manually putting the elastic cylindrical pin into the elastic cylindrical pin hole of the tool rest; and finally, positioning the tool rest by using a body, and knocking the elastic cylindrical pin into the tool rest in a hammering mode. The whole installation mode needs manual operation, and the working efficiency is low. Moreover, when the hammer is used for knocking, a worker needs to position the knife rest by using the body, the risk of injuring the person by smashing can occur, and potential safety hazards exist. In addition, the elastic cylindrical pin is deformed due to hammering, and the assembly qualified rate is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an elasticity cylindric lock installation device, the work efficiency who adopts this installation device is higher, can avoid the potential safety hazard, and the qualification rate is higher.
In order to solve the problems, the following technical scheme is provided:
the utility model discloses an elasticity cylindric lock installation device's characteristics are including the riser, and there is the backup pad that the level was arranged in one side of riser, has first through-hole in the backup pad, has the supporting seat in the first through-hole, and the upper surface of supporting seat flushes with the last face of backup pad. The upper surface of the supporting seat is provided with a blind hole, a movable column is arranged in the blind hole, the movable column and the blind hole are in up-and-down sliding fit, a reset spring is arranged between the lower end of the movable column and the bottom of the blind hole, the upper end of the movable column is provided with a vertical positioning needle which is arranged upwards, the upper end of the positioning needle extends out of the opening of the blind hole when the positioning needle is in an unstressed state, and the deformation length of the reset spring is greater than that of the elastic cylindrical pin. The vertical plate above the supporting plate is provided with a driving cylinder, a piston rod of the driving cylinder faces downwards, the outer end of the piston rod of the driving cylinder is connected with a horizontally arranged pressing plate, the pressing plate above the positioning needle is provided with a vertically arranged guide through hole, and the outer diameter of the guide through hole is larger than that of the elastic cylindrical pin. The material pushing device is characterized in that a guide sleeve is vertically arranged above the guide through hole, the guide sleeve is fixed on the pressing plate through a connecting block, a material pushing rod is concentrically arranged in the guide sleeve, the material pushing rod and the guide sleeve are in up-and-down sliding fit, two ends of the material pushing rod respectively extend out of two ends of the guide sleeve, an annular boss radially extending outwards is arranged at the upper end of the material pushing rod, and a return spring is arranged on the material pushing rod between the annular boss and the guide sleeve. The lower end of the pushing rod is provided with a pushing needle, the outer diameter of the pushing needle is larger than the inner diameter of the elastic cylindrical pin and smaller than the outer diameter of the guide through hole, and the pushing needle, the guide through hole and the positioning needle are coaxially arranged.
The supporting seat comprises a tubular shell which is vertically arranged, the outer side wall of the tubular shell is connected with the inner side wall of the first through hole, a plunger is arranged in the tubular shell, the lower end of the plunger extends out of the bottom of the tubular shell, and the inner cavity of the section of the tubular shell between the upper end of the plunger and the top of the tubular shell is the blind hole; the opening part at the upper end of the tubular shell is provided with an annular inner bulge extending inwards in the radial direction, the outer diameter of the upper part of the movable column is smaller than that of the lower part of the movable column, so that a limiting step is formed on the movable column, the lower part of the movable column is positioned in the section of the tubular shell between the plunger and the annular inner bulge, the lower part of the movable column is in sliding fit with the tubular shell, and the outer diameter of the upper part of the movable column is smaller than the inner diameter of the annular inner bulge.
The upper portion of the positioning needle is in a round table shape, the lower portion of the positioning needle is in a cylindrical shape, the end with the large diameter of the upper portion of the positioning needle is concentrically connected with the lower portion of the positioning needle, the outer diameter of the end with the small diameter of the upper portion of the positioning needle is smaller than the inner diameter of the elastic cylindrical pin, and the outer diameter of the end with the large diameter of the upper portion of the positioning needle is larger than the inner diameter of.
The pressing plate is provided with a second through hole, a guide block is arranged in the second through hole, and the guide through hole is positioned on the guide block.
The upper portion of direction through-hole is the taper hole, and the lower part is the sizing hole, and the inclination of taper hole is 15.
The material pushing rod is characterized in that an upright post is arranged on the supporting plate corresponding to the material pushing rod, a pull rod is hinged to one side of the upright post, the axis of the pull rod and the axis of the material pushing rod are in the same vertical plane, the pull rod rotates in the vertical plane along a hinge point, and the distance from the outer end of the pull rod to the hinge point is larger than the distance from the central line of the material pushing rod to the hinge point.
By adopting the scheme, the method has the following advantages:
because the utility model discloses an elasticity cylindric lock installation device's including the riser, there is the backup pad one side of riser, there is the first through-hole in the backup pad, there is the supporting seat in the first through-hole, there is the blind hole on the upper surface of supporting seat, there is the activity post in the blind hole, there is reset spring between the hole bottom of activity post lower extreme and blind hole, there is the pilot pin on the upper end of activity post, there is the driving cylinder on the riser of backup pad top, the piston rod of driving cylinder is down, be connected with the clamp plate on the piston rod outer end of driving cylinder, there is the direction through-hole on the clamp plate of pilot pin top, the external diameter of direction through-hole is greater than the external diameter of elasticity cylindric lock, there is the guide pin bushing of vertical arrangement top of direction through-hole, be provided with the ejector pin in the guide pin bushing with one heart, there is the annular boss that radially outwards stretches out the upper end of ejector pin, there, The guide through hole and the positioning pin are coaxially arranged. When the positioning pin is used, the tool rest is placed on the supporting plate, and the positioning pin penetrates through the elastic cylindrical pin hole of the tool rest; then, a piston rod of the driving cylinder is controlled to extend, so that the pressing plate is pressed on the tool rest; then, placing the elastic cylindrical pin on the positioning pin along the guide through hole; then, the pushing rod is pushed downwards, and the elastic cylindrical pin, the positioning pin and the movable column are pressed downwards by the pushing pin, so that the elastic cylindrical pin is pressed into the tool rest; then, the material pushing rod is loosened, the material pushing rod resets under the action of a return spring, and the positioning needle and the movable column reset under the action of the return spring; and finally, controlling a piston rod of the driving cylinder to ascend, enabling the pressing plate to leave the tool rest, and taking down the tool rest. When the installation device is used for assembling the elastic cylindrical pin, the manual operation part is only used for putting the elastic cylindrical pin and pushing the material pushing rod, and compared with the whole-process manual operation in the background technology, the installation device greatly improves the working efficiency. And the tool rest is positioned by the pressing plate and the supporting plate, and the elastic cylindrical pin is positioned by the positioning, so that the accident that people are injured by pressing during press fitting is avoided, and potential safety hazards are avoided. And the pushing needle is used for pushing the elastic cylindrical pin, and the guide through hole is used for limiting the elastic cylindrical pin, so that the phenomenon of deformation of the elastic cylindrical pin is avoided, and the assembly qualified rate is greatly increased.
Drawings
FIG. 1 is a structural use diagram of the elastic cylindrical pin installation device of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic perspective view of the elastic cylindrical pin mounting device of the present invention (omitting the return spring).
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model discloses an 18 installation device of elasticity cylindric lock's characteristics are including riser 1, and there is backup pad 6 that the level was arranged in one side of riser 1, has first through-hole in backup pad 6, has the supporting seat in the first through-hole, and the upper surface of supporting seat flushes with the last face of backup pad 6. The upper surface of the supporting seat is provided with a blind hole 4, a movable column 21 is arranged in the blind hole 4, the movable column 21 and the blind hole 4 are in up-and-down sliding fit, a reset spring 5 is arranged between the lower end of the movable column 21 and the bottom of the blind hole 4, the upper end of the movable column 21 is provided with a positioning needle 20 which is vertically and upwards arranged, the upper end of the positioning needle 20 extends out of the opening of the blind hole 4 when the positioning needle 20 is in an unstressed state, and the deformation length of the reset spring 5 is greater than that of the elastic cylindrical pin 18. A driving cylinder 22 is arranged on the vertical plate 1 above the supporting plate 6, a piston rod of the driving cylinder 22 faces downwards, a horizontally arranged pressing plate 7 is connected to the outer end of the piston rod of the driving cylinder 22, a vertically arranged guide through hole 17 is formed in the pressing plate 7 above the positioning needle 20, and the outer diameter of the guide through hole 17 is larger than that of the elastic cylindrical pin 18. The guide sleeve 11 is vertically arranged above the guide through hole 17, the guide sleeve 11 is fixed on the pressing plate 7 through a connecting block 9, a material pushing rod 12 is concentrically arranged in the guide sleeve 11, the material pushing rod 12 and the guide sleeve 11 are in up-and-down sliding fit, two ends of the material pushing rod 12 respectively extend out of two ends of the guide sleeve 11, an annular boss 14 radially extending outwards is arranged at the upper end of the material pushing rod 12, and a return spring 13 is arranged on the section of the material pushing rod 12 between the annular boss 14 and the guide sleeve 11. The lower end of the pushing rod 12 is provided with a pushing needle 16, the outer diameter of the pushing needle 16 is larger than the inner diameter of the elastic cylindrical pin 18 and smaller than the outer diameter of the guide through hole 17, and the pushing needle 16, the guide through hole 17 and the positioning needle 20 are coaxially arranged.
For convenience of installation, the support seat comprises a tubular shell 2 which is vertically arranged, the outer side wall of the tubular shell 2 is connected with the inner side wall of the first through hole, a plunger 3 is arranged in the tubular shell 2, the lower end of the plunger 3 extends out of the bottom of the tubular shell 2, and the inner cavity of the section of the tubular shell 2 between the upper end of the plunger 3 and the top of the tubular shell 2 is the blind hole 4; the opening part of the upper end of the tubular shell 2 is provided with an annular inner bulge extending inwards in the radial direction, the outer diameter of the upper part of the movable column 21 is smaller than that of the lower part of the movable column, so that a limiting step is formed on the movable column 21, the lower part of the movable column 21 is positioned in the section of the tubular shell 2 between the plunger 3 and the annular inner bulge, the lower part of the movable column 21 is in sliding fit with the tubular shell 2, and the outer diameter of the upper part of the movable column 21 is smaller than the inner diameter of the annular inner bulge.
In order to be connected with the elastic cylindrical pin 18 conveniently, the upper part of the positioning needle 20 is in a circular truncated cone shape, the lower part of the positioning needle 20 is in a cylindrical shape, the end with the larger diameter of the upper part of the positioning needle 20 is concentrically connected with the lower part of the positioning needle 20, the outer diameter of the end with the smaller diameter of the upper part of the positioning needle 20 is smaller than the inner diameter of the elastic cylindrical pin 18, and the outer diameter of the end with the larger diameter of the upper part of the positioning needle 20 is larger.
The pressing plate 7 is provided with a second through hole, a guide block 8 is arranged in the second through hole, and the guide through hole 17 is positioned on the guide block 8.
In order to facilitate the insertion of the elastic cylindrical pin 18, the upper part of the guide through hole 17 is a taper hole, the lower part of the guide through hole is a diameter-fixing hole, and the inclination angle of the taper hole is 15 degrees.
In order to facilitate pushing of the material pushing rod 12, an upright post 10 is arranged on the supporting plate 6 corresponding to the material pushing rod 12, a pull rod 15 is hinged to one side of the upright post 10, the axis of the pull rod 15 and the axis of the material pushing rod 12 are in the same vertical plane, the pull rod 15 rotates in the vertical plane along a hinge joint, and the distance from the outer end of the pull rod 15 to the hinge joint is greater than the distance from the central line of the material pushing rod 12 to the hinge joint.
When in use, the tool rest 19 is firstly placed on the supporting plate 6, and the positioning pin 20 passes through the elastic cylindrical pin hole of the tool rest 19. Then, the piston rod of the driving cylinder 22 is controlled to extend so that the platen 7 is pressed against the tool holder 19. Next, the elastic cylindrical pin 18 is placed on the positioning pin 20 along the guide through hole 17. Then, the pull rod 15 is pulled downwards, the pull rod 15 pushes the material pushing rod 12 to move downwards, the material pushing needle 16 presses the elastic cylindrical pin 18, the positioning needle 20 and the movable column 21 downwards, and the elastic cylindrical pin 18 is pressed into the tool rest 19. After that, the material pushing rod 12 is released, the material pushing rod 12 is reset under the action of the return spring 13, and the positioning needle 20 and the movable column 21 are reset under the action of the return spring 5. Finally, the piston rod of the driving cylinder 22 is controlled to ascend, the pressure plate 7 is separated from the tool rest 19, and the tool rest 19 is removed.

Claims (6)

1. The elastic cylindrical pin mounting device is characterized by comprising a vertical plate (1), wherein one side of the vertical plate (1) is provided with a horizontally arranged support plate (6), a first through hole is formed in the support plate (6), a support seat is arranged in the first through hole, and the upper surface of the support seat is flush with the upper plate surface of the support plate (6); the upper surface of the supporting seat is provided with a blind hole (4), a movable column (21) is arranged in the blind hole (4), the movable column (21) is in up-and-down sliding fit with the blind hole (4), a reset spring (5) is arranged between the lower end of the movable column (21) and the bottom of the blind hole (4), the upper end of the movable column (21) is provided with a positioning needle (20) which is vertically and upwardly arranged, the upper end of the positioning needle (20) extends out of the opening of the blind hole (4) when the positioning needle (20) is in an unstressed state, and the deformation length of the reset spring (5) is greater than that of the elastic cylindrical pin; a driving cylinder (22) is arranged on the vertical plate (1) above the supporting plate (6), a piston rod of the driving cylinder (22) faces downwards, a horizontally arranged pressing plate (7) is connected to the outer end of the piston rod of the driving cylinder (22), a vertically arranged guide through hole (17) is formed in the pressing plate (7) above the positioning pin (20), and the outer diameter of the guide through hole (17) is larger than that of the elastic cylindrical pin; a guide sleeve (11) which is vertically arranged is arranged above the guide through hole (17), the guide sleeve (11) is fixed on the pressing plate (7) through a connecting block (9), a material pushing rod (12) is concentrically arranged in the guide sleeve (11), the material pushing rod (12) and the guide sleeve (11) are in up-down sliding fit, two ends of the material pushing rod (12) respectively extend out from two ends of the guide sleeve (11), an annular boss (14) which radially extends outwards is arranged at the upper end of the material pushing rod (12), and a return spring (13) is arranged on the section of the material pushing rod (12) between the annular boss (14) and the guide sleeve (11); the lower end of the pushing rod (12) is provided with a pushing needle (16), the outer diameter of the pushing needle (16) is larger than the inner diameter of the elastic cylindrical pin and smaller than the outer diameter of the guide through hole (17), and the pushing needle (16), the guide through hole (17) and the positioning needle (20) are coaxially arranged.
2. A resilient cylinder pin mounting device according to claim 1, characterised in that the support comprises a vertically arranged tubular housing (2), the outer side wall of the tubular housing (2) is connected to the inner side wall of the first through hole, a plunger (3) is arranged in the tubular housing (2), the lower end of the plunger (3) extends out from the bottom of the tubular housing (2), and the blind hole (4) is defined as the inner cavity of the section of the tubular housing (2) between the upper end of the plunger (3) and the top of the tubular housing (2); the opening part of the upper end of the tubular shell (2) is provided with an annular inner bulge extending inwards in the radial direction, the outer diameter of the upper part of the movable column (21) is smaller than that of the lower part of the movable column, so that a limiting step is formed on the movable column (21), the lower part of the movable column (21) is positioned in the section of the tubular shell (2) between the plunger (3) and the annular inner bulge, the lower part of the movable column (21) is in sliding fit with the tubular shell (2), and the outer diameter of the upper part of the movable column (21) is smaller than the inner diameter of the annular inner bulge.
3. The elastic cylindrical pin installation device as claimed in claim 1, wherein the upper portion of the positioning pin (20) is in the shape of a truncated cone, the lower portion thereof is in the shape of a cylinder, the end of the positioning pin (20) having the larger diameter at the upper portion thereof is concentrically connected to the lower portion of the positioning pin (20), the end of the positioning pin (20) having the smaller diameter at the upper portion thereof has an outer diameter smaller than the inner diameter of the elastic cylindrical pin, and the end of the positioning pin (20) having the larger diameter at the upper portion thereof has an outer diameter larger than the inner diameter of the.
4. A resilient pin mounting arrangement as claimed in claim 1, characterised in that the pressure plate (7) has a second through-hole therein, the second through-hole having a guide block (8) therein, the guide through-hole (17) being located in the guide block (8).
5. A resilient pin mounting arrangement as claimed in claim 1 wherein the upper portion of the guide through bore (17) is a tapered bore and the lower portion is a constant diameter bore, the angle of inclination of the tapered bore being 15 °.
6. The elastic cylindrical pin mounting device as claimed in any one of claims 1 to 5, wherein a vertical column (10) is arranged on the support plate (6) corresponding to the pushing rod (12), a pull rod (15) is hinged to one side of the vertical column (10), the axis of the pull rod (15) and the axis of the pushing rod (12) are in the same vertical plane, the pull rod (15) rotates in the vertical plane along a hinge point, and the distance from the outer end of the pull rod (15) to the hinge point is greater than the distance from the center line of the pushing rod (12) to the hinge point.
CN201921421702.1U 2019-08-30 2019-08-30 Elastic cylindrical pin mounting device Withdrawn - After Issue CN211758060U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921421702.1U CN211758060U (en) 2019-08-30 2019-08-30 Elastic cylindrical pin mounting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921421702.1U CN211758060U (en) 2019-08-30 2019-08-30 Elastic cylindrical pin mounting device

Publications (1)

Publication Number Publication Date
CN211758060U true CN211758060U (en) 2020-10-27

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ID=72906446

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921421702.1U Withdrawn - After Issue CN211758060U (en) 2019-08-30 2019-08-30 Elastic cylindrical pin mounting device

Country Status (1)

Country Link
CN (1) CN211758060U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110421078A (en) * 2019-08-30 2019-11-08 无锡飞万刀具有限公司 Elastic cylindrical pin mounting device
CN112589412A (en) * 2020-11-26 2021-04-02 上海空间推进研究所 Product press-fit device suitable for oil press

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110421078A (en) * 2019-08-30 2019-11-08 无锡飞万刀具有限公司 Elastic cylindrical pin mounting device
CN110421078B (en) * 2019-08-30 2024-02-13 无锡飞万医疗科技有限公司 Elastic cylindrical pin mounting device
CN112589412A (en) * 2020-11-26 2021-04-02 上海空间推进研究所 Product press-fit device suitable for oil press

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 214196 No.18 Yaguang Road, Donghutang Sunshine Industrial Park, Donggang Town, Xishan District, Wuxi City, Jiangsu Province

Patentee after: Wuxi feiwan Medical Technology Co.,Ltd.

Address before: 214196 No.18 Yaguang Road, Donghutang Sunshine Industrial Park, Donggang Town, Xishan District, Wuxi City, Jiangsu Province

Patentee before: Wuxi Feiwan Tool Co.,Ltd.

CP01 Change in the name or title of a patent holder
AV01 Patent right actively abandoned

Granted publication date: 20201027

Effective date of abandoning: 20240213

AV01 Patent right actively abandoned

Granted publication date: 20201027

Effective date of abandoning: 20240213

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned