CN220197333U - Needle point processing clamping mechanism - Google Patents
Needle point processing clamping mechanism Download PDFInfo
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- CN220197333U CN220197333U CN202321957502.4U CN202321957502U CN220197333U CN 220197333 U CN220197333 U CN 220197333U CN 202321957502 U CN202321957502 U CN 202321957502U CN 220197333 U CN220197333 U CN 220197333U
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- 230000007246 mechanism Effects 0.000 title abstract description 19
- 238000003754 machining Methods 0.000 claims abstract description 18
- 230000000670 limiting effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000005498 polishing Methods 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000007373 indentation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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Abstract
The utility model discloses a needle point machining clamping mechanism, which relates to the technical field of needle point machining and comprises a counterweight base, wherein the upper surface of the counterweight base is provided with a vertical rod, the clamping mode of a needle body is optimally adjusted on the basis of the traditional needle point machining clamping mechanism, when the needle point machining clamping mechanism is used, a turntable can be manually rotated clockwise, the turntable drives three eccentrically and arcuately arranged sliding grooves to synchronously rotate clockwise and synchronously generate outward extrusion action on three sliding rods, and the sliding rods are subjected to the limit guiding action of three groups of fixing rods and a reset spring, so that the three sliding rods can synchronously perform equal-angle expanding movement with steps, the gaps among the three groups of positioning rollers are gradually increased, then the tail end of the needle body can be placed among the three groups of positioning rollers and the turntable is loosened, the three groups of positioning rollers can automatically reset and abut against the outer part of the needle body, and external force can be applied to rotate the needle body, so that the angle adjusting effect is achieved.
Description
Technical Field
The utility model relates to the technical field of needle point machining, in particular to a needle point machining clamping mechanism.
Background
The needle, a slender tool for sewing the thread of clothes, or an injection tool or medicine, or a needle is used for treating diseases, and the fine needle is generally produced through cutting raw silk with proper thickness to a certain length, and fine processing of raw silk segment after cutting, such as polishing needle tip and end, punching, etc.
The essential auxiliary mechanism in the needle point machining process is a clamping mechanism, the needle body is transversely fixed through the clamping mechanism so as to facilitate polishing and other operations, but it is well known that no matter mechanical polishing or manual polishing is required, the needle body is required to be designed to rotate at the needle point (manually rotate the needle body or mechanically rotate the needle body), the existing clamping mechanism generally adopts a hard clamping mode, the needle body is clamped by adopting a concave-convex rack-shaped clamping plate, although the clamping stability is higher, the needle body is not convenient to rotationally polish due to too tight clamping, meanwhile, an uneven clamping plate can generate an indentation on the surface of the needle body, and the integral gloss of the needle body is affected.
Aiming at the problems, innovative design is urgently needed on the basis of the original needle point machining clamping mechanism.
Disclosure of Invention
The technical scheme of the utility model aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly aims to provide a needle point machining clamping mechanism which aims at solving the problems that the prior art provides that rotation (manual rotation of a needle body or mechanical rotation of the needle body) to a needle point end is required to be designed in a well-known way no matter in mechanical polishing or manual polishing, the prior clamping mechanism generally adopts a hard clamping mode, and a concave-convex rack-shaped clamping plate is adopted for clamping the needle body, although the clamping stability is higher, the clamping is too tight, the needle body is inconvenient to rotationally polish, meanwhile, an uneven clamping plate can generate an indentation on the surface of the needle body, and the whole gloss of the needle body is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a needle point processing fixture, includes the counter weight base, the upper surface of counter weight base is provided with the montant, and installs between montant and the counter weight base and adjust locating component to the upper end of montant is fixed with the fixed disk, the center department axis pivot rotation in the fixed disk outside is connected with the carousel, and one side equiangle of carousel is provided with three group and is used for carrying out the locating roller of centre gripping location to the needle body end, and the inside equiangle of carousel is provided with three group and is used for three group the slide bar of locating roller regulation location.
Preferably, the adjusting and positioning assembly comprises a fixed plate, a connecting plate and a screw rod, the upper surface of the counterweight base is fixed with the fixed plate, the vertical rod penetrates through the upper end of the fixed plate in a sliding mode, the connecting plate is fixed on the side of the vertical rod, the screw rod is installed through penetrating through the end portion of the connecting plate, the lower end of the screw rod penetrates through the fixed plate through the bearing to be installed on the upper surface of the counterweight base, and a screw hole matched with the screw rod outer wall screw thread is formed in the inner portion of one end of the connecting plate.
Preferably, a limit groove is formed in one side, close to the rotary table, of the fixed disc, a fixed rod is fixed in the limit groove, and the end portion of the sliding rod penetrates through the rotary table to be sleeved on the outer wall of the fixed rod.
Preferably, the outer wall of the fixed rod is wound with a reset spring, one end of the reset spring is welded on the outer wall of the sliding rod, and the other end of the reset spring is fixed on the inner wall of the limiting groove.
Preferably, three groups of sliding grooves which are in eccentric arc-shaped design are formed in the inner side of the turntable at equal angles, and the three groups of sliding rods are respectively arranged in the three groups of sliding grooves in a sliding mode.
Preferably, the end part of the sliding rod penetrates through one end of the turntable fixedly connected with the positioning plate, and the positioning roller is hinged to the lower surface of the other end of the positioning plate.
Compared with the prior art, the utility model has the beneficial effects that:
on the basis of a traditional needle point machining clamping mechanism, the clamping mode of a needle body is optimized and adjusted, when the needle point machining clamping mechanism is used, the turntable can be manually rotated clockwise, the three eccentric arc-shaped sliding grooves are driven to synchronously rotate clockwise and synchronously produce outward extrusion action on the three sliding rods, as the sliding rods are subjected to limit guiding action of the three groups of fixing rods and the reset springs, the three sliding rods can synchronously perform equal-angle expanding movement, so that the three groups of positioning rollers synchronously perform equal-angle expanding movement, gaps between the three groups of positioning rollers are gradually increased, the tail end of the needle body can be placed between the three groups of positioning rollers and the turntable is loosened, the three groups of reset springs can drive the three groups of sliding rods and the three groups of positioning rollers to automatically reset and abut against the outside of the needle body, external force can be applied to rotate the needle body when the needle body is clamped and fixed, the angle adjusting effect is achieved, damage to the outer wall of the needle body can be reduced to the greatest extent by using the positioning rollers, and the height of the whole clamping mechanism can be adjusted through rotation of the screw rod, so that an optimal machining station is achieved.
Drawings
FIG. 1 is a schematic diagram of an elevation mounting structure of the present utility model;
FIG. 2 is a schematic side view of the mounting structure of the holding pan of the present utility model;
FIG. 3 is a schematic side view of the turntable of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
In the figure: 1. a counterweight base; 2. a vertical rod; 21. a fixing plate; 22. a connecting plate; 23. a screw rod; 3. a fixed plate; 31. a limit groove; 32. a fixed rod; 33. a return spring; 4. a turntable; 41. a chute; 5. a slide bar; 6. a positioning plate; 7. and positioning rollers.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a needle point processing fixture, includes counter weight base 1, and counter weight base 1's upper surface is provided with montant 2, and installs between montant 2 and the counter weight base 1 and adjust locating component to the upper end of montant 2 is fixed with fixed disk 3, and the center department axis pivot rotation in the fixed disk 3 outsides is connected with carousel 4, and the one side equiangle of carousel 4 is provided with three groups and is used for carrying out the positioning roller 7 of centre gripping location to the needle end, and the inside equiangle of carousel 4 is provided with three groups and is used for carrying out the slide bar 5 of adjusting the location to three groups of positioning roller 7.
The adjusting and positioning assembly comprises a fixing plate 21, a connecting plate 22 and a screw rod 23, the upper surface of the counterweight base 1 is fixedly provided with the fixing plate 21, the vertical rod 2 is slidably penetrated through the upper end of the fixing plate 21, the side of the vertical rod 2 is fixedly provided with the connecting plate 22, the end part of the connecting plate 22 is penetrated and installed with the screw rod 23, the lower end of the screw rod 23 penetrates through the fixing plate 21 to be installed on the upper surface of the counterweight base 1 through a bearing, a screw hole matched with the screw thread of the outer wall of the screw rod 23 is formed in one end of the connecting plate 22, the adjusting and positioning assembly provides stable support and limiting effect for the vertical rod 2 through the fixing plate 21, and meanwhile, the vertical height of the vertical rod 2 can be adjusted through the screw thread effect between the screw rod 23 and the fixing plate 21, so that a needle body can reach an optimal processing station.
The spacing groove 31 has been seted up to one side that fixed disk 3 is close to carousel 4, and the inside of spacing groove 31 is fixed with dead lever 32 to the outer wall of dead lever 32 is located to carousel 4 cover is run through to the tip of slide bar 5, has realized the spacing direction to slide bar 5 with the cooperation of dead lever 32 to the spacing groove 31, makes slide bar 5 only can directional slip.
The outer wall of the fixed rod 32 is wound with a return spring 33, one end of the return spring 33 is welded on the outer wall of the sliding rod 5, the other end of the return spring 33 is fixed on the inner wall of the limiting groove 31, a stable return effect is provided for the sliding rod 5 by the return spring 33, and when no external force is applied, three return springs 33 can synchronously act to push three groups of sliding rods 5 and the rotary table 4 to return.
Three groups of sliding grooves 41 which are in eccentric arc-shaped design are formed in the inner side of the rotary table 4 at equal angles, and three groups of sliding rods 5 are respectively arranged in the three groups of sliding grooves 41 in a sliding mode, when the sliding grooves 41 in eccentric arc-shaped arrangement rotate, the sliding grooves 41 can synchronously push and pull the sliding rods 5 in an adaptive mode, and therefore the sliding rods 5 can slide in an adaptive mode.
The tip of slide bar 5 runs through in the one end of carousel 4 fixedly connected with locating plate 6, and locating roller 7 articulates in the lower surface of locating plate 6 other end, and when three slide bars 5 expand or tighten up in step, three locating roller 7 also can expand or tighten up in step, and locating roller 7 can carry out autogiration at the tip of locating plate 6.
Working principle: when the needle point machining clamping mechanism is used, as shown in fig. 1, 2 and 3, the clamping mechanism is in a state after being manually opened, according to the whole operation steps, the three groups of positioning rollers 7 are required to be expanded so as to facilitate the placement of a needle body, as shown in fig. 1 and 3, the rotating disc 4 is rotated clockwise, the rotating disc 4 synchronously drives the three groups of sliding grooves 41 to rotate clockwise, the three groups of eccentric arc-shaped sliding grooves 41 can generate an outward adaptive extrusion effect on the three groups of sliding rollers 5 through the inner walls of the three groups of eccentric arc-shaped sliding grooves 41 when rotating clockwise, and meanwhile, as shown in fig. 2, the three groups of sliding rollers 5 synchronously move along the outer walls of the three groups of fixing rods 32 in an equal-angle outward expansion mode and synchronously stretch the three groups of reset springs 33 under the rotation effect of the three groups of sliding grooves 41, and at the moment, the three groups of sliding rollers 5 synchronously drive the three groups of positioning rollers 7 to be far away and reach the state as shown in fig. 2 and 3, so that gaps among the three groups of positioning rollers 7 are gradually increased.
Then the needle body to be processed can be placed between the three groups of positioning rollers 7, then the rotary table 4 is loosened, at the moment, the three groups of return springs 33 synchronously generate a return action to pull the three groups of slide bars 5 to synchronously tighten inwards and reversely along the outer walls of the three groups of fixing bars 32, meanwhile, the three groups of slide bars 5 can drive the rotary table 4 to rotate anticlockwise in a reset mode, the three groups of positioning rollers 7 are gradually close to and abut against the outer walls of the needle body at equal angles, so that the extrusion positioning of the needle body is realized, and external force can be applied to enable the needle body to be in the three groups while the stability is higher. The positioning rollers 7 rotate so as to facilitate subsequent processing, the screw rod 23 can be rotated forward or backward at last, when the screw rod 23 rotates, under the action of threads between the connecting plate 22 and the screw rod 23, the connecting plate 22 can drive the vertical rod 2 and a clamping mechanism at the upper end of the vertical rod 2 to synchronously rise or fall, so that the effect of adjusting the assembly height of the needle body is achieved, and the needle body can be located on an optimal station so as to facilitate subsequent processing.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. Needle point processing fixture, including counter weight base (1), its characterized in that: the upper surface of counter weight base (1) is provided with montant (2), and installs between montant (2) and counter weight base (1) and adjust locating component to the upper end of montant (2) is fixed with fixed disk (3), the center department axis pivot rotation in fixed disk (3) outside is connected with carousel (4), and one side equi-angle of carousel (4) is provided with three group and is used for carrying out clamping location's positioning roller (7) to the needle end, and the inside equi-angle of carousel (4) is provided with three group and is used for three group slide bar (5) of adjusting location of positioning roller (7).
2. A needle tip machining fixture according to claim 1, wherein: the adjusting and positioning assembly comprises a fixing plate (21), a connecting plate (22) and a screw rod (23), the fixing plate (21) is fixed on the upper surface of the counterweight base (1), the vertical rod (2) penetrates through the upper end of the fixing plate (21) in a sliding mode, the connecting plate (22) is fixed on the side of the vertical rod (2), the screw rod (23) is installed through the end portion of the connecting plate (22), the lower end of the screw rod (23) penetrates through the fixing plate (21) through a bearing to be installed on the upper surface of the counterweight base (1), and a screw hole matched with the screw rod (23) in outer wall threads is formed in the inner portion of one end of the connecting plate (22).
3. A needle tip machining fixture according to claim 1, wherein: a limit groove (31) is formed in one side, close to the rotary table (4), of the fixed disc (3), a fixed rod (32) is fixed in the limit groove (31), and the end portion of the sliding rod (5) penetrates through the rotary table (4) and is sleeved on the outer wall of the fixed rod (32).
4. A needle tip machining fixture according to claim 3, wherein: the outer wall of the fixed rod (32) is wound with a return spring (33), one end of the return spring (33) is welded on the outer wall of the sliding rod (5), and the other end of the return spring (33) is fixed on the inner wall of the limiting groove (31).
5. A needle tip machining fixture according to claim 1, wherein: three groups of sliding grooves (41) which are in eccentric arc-shaped design are formed in the inner side of the rotary table (4) at equal angles, and the three groups of sliding rods (5) are respectively arranged in the three groups of sliding grooves (41) in a sliding mode.
6. A needle tip machining fixture according to claim 1, wherein: the end of the sliding rod (5) penetrates through one end of the rotary table (4) fixedly connected with the positioning plate (6), and the positioning roller (7) is hinged to the lower surface of the other end of the positioning plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321957502.4U CN220197333U (en) | 2023-07-25 | 2023-07-25 | Needle point processing clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321957502.4U CN220197333U (en) | 2023-07-25 | 2023-07-25 | Needle point processing clamping mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN220197333U true CN220197333U (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321957502.4U Active CN220197333U (en) | 2023-07-25 | 2023-07-25 | Needle point processing clamping mechanism |
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| Country | Link |
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| CN (1) | CN220197333U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117772430A (en) * | 2024-02-23 | 2024-03-29 | 山东奥斯瑞特检验检测有限公司 | A medicine residue detects centrifugal separator for food inspection |
| CN118215250A (en) * | 2024-05-21 | 2024-06-18 | 福建华电可门发电有限公司 | Automatic alarm device for thermal control of thermal power plant |
| CN118215250B (en) * | 2024-05-21 | 2024-10-25 | 福建华电可门发电有限公司 | Automatic alarm device for thermal control of thermal power plant |
-
2023
- 2023-07-25 CN CN202321957502.4U patent/CN220197333U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117772430A (en) * | 2024-02-23 | 2024-03-29 | 山东奥斯瑞特检验检测有限公司 | A medicine residue detects centrifugal separator for food inspection |
| CN118215250A (en) * | 2024-05-21 | 2024-06-18 | 福建华电可门发电有限公司 | Automatic alarm device for thermal control of thermal power plant |
| CN118215250B (en) * | 2024-05-21 | 2024-10-25 | 福建华电可门发电有限公司 | Automatic alarm device for thermal control of thermal power plant |
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