CN206509923U - A kind of clamping device of bullet detection - Google Patents
A kind of clamping device of bullet detection Download PDFInfo
- Publication number
- CN206509923U CN206509923U CN201621429182.5U CN201621429182U CN206509923U CN 206509923 U CN206509923 U CN 206509923U CN 201621429182 U CN201621429182 U CN 201621429182U CN 206509923 U CN206509923 U CN 206509923U
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- Prior art keywords
- fixed
- main shaft
- sliding block
- plate
- clamping device
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Abstract
The utility model belongs to firearms bullet manufacturing technology field, specifically related to a kind of clamping device of bullet detection, including inverted T-shaped clamping fixture seat, fixation is inlaid with micromachine in the middle part of the lower end of upright plate, micromachine includes drive, main shaft is equipped with bearing, driven pulley is fixed with the left of main shaft, transmission belt is provided between drive and driven pulley, the right end of main shaft through upright plate is provided with gasbag-type expansion-head, upright plate is provided with positioning core retainer plate, the right front ends upper surface of horizontal base plate is fixed with cylinder, the lower end of positioning core retainer plate is fixed with guide, guide includes upper end fixed block and the collar of lower end, telescopic mast is arranged in collar, compression spring is fixed between the interior u-shaped bottom and fixed block of sliding block, the left and right upper end of sliding block is in aduncate arc body, roller is folded with the middle part of arc body.The purpose is to:There is the problem of measurement efficiency is low, of low quality, measurer weares and teares in the clamping device design defect for solving existing bullet detection.
Description
Technical field
The utility model belongs to firearms bullet manufacturing technology field, and in particular to a kind of clamping device of bullet detection.
Background technology
In the structure of firearms bullet, revolving body housing part is very common.The wall thickness of housing part is in circle distribution side
To uniformity, directly affect the position of centre of gravity of bullet finished product and the axiality of bullet profile geometric centre axes.If this is same
Axle degree error is excessive, will make bullet in flight course because rotation produce centrifugal force is excessive and loss of stability, cause shooting
Precision is reduced.Therefore, the housing part evenness of wall thickness of firearms bullet is extremely important, so that by way of full inspection Wall-Thickness Difference
Strictly controlled.
The detection mode used at present is:Housing part is inserted in the mandrel on detection fixture, mandrel and housing part
Wall has larger gap, to ensure that housing part floats;With having at detection position in an arc-shaped protrusions, protruding point and housing part
Wall is contacted;The outside relative with protruding point, with dial gauge probe contacts housing part outer surface;Roll-shell part, due to it
Inner surface contour position is fixed, and the difference of wall thickness is exactly the displacement of outline, is reflected by the total indicator reading of dial gauge
Come.In practical operation, manually dial gauge measuring staff was lifted before this, to avoid product;Then housing part is inserted in detection fixture
On mandrel, discharge dial gauge measuring staff, the probe of dial gauge is contacted with housing part periphery;Hand-turning housing zero again
Part, number of every 90 ° of readings, rotates one week and reads four readings;The difference of the maximum indicating value of indicator and minimum indicating value is finally taken, as
The final detection result of the annulus position Wall-Thickness Difference.
There is problems with the clamping device of existing bullet detection:1st, bullet manufacture substantial amounts are, it is necessary to a large amount of manpowers;
2nd, housing part and mandrel gap are big, and position is floated, and when rotating housing part, the bounce of percentage list index is big, and reading is difficult, must
Reading must be carried out in inactive state;3rd, measuring appliance is contacted and relative motion with measured workpiece surface, and measurer abrasion is big.Therefore,
Current detection efficiency is low, and quality assurance ability is not high, and measurer service life is short.
Utility model content
The utility model purpose is:A kind of clamping device of bullet detection is aimed to provide, for solving existing bullet inspection
There is the problem of measurement efficiency is low, of low quality, measurer weares and teares in the clamping device design defect of survey.
To realize above-mentioned technical purpose, the technical solution adopted in the utility model is as follows:
A kind of clamping device of bullet detection, including inverted T-shaped clamping fixture seat, the T-shaped clamping fixture seat include horizontal base plate and
Fixed in the middle part of upright plate, the lower end of the upright plate to be inlaid with micromachine, the micromachine includes drive, described upright
Plate is provided with through hole, the through hole in the surface of micromachine and is provided with bearing, and main shaft, the main shaft are equipped with the bearing
Rear side be fixed with driven pulley, be arranged with transmission belt between the drive and driven pulley, the main shaft is through upright plate
Front end is provided with gasbag-type expansion-head, and the upright plate passes through positioning core retainer plate and gasbag-type provided with positioning core retainer plate, the main shaft
Expansion-head is located at outside positioning core retainer plate, and the front end upper surface of the horizontal base plate is fixed with cylinder, and the upright plate is in positioning core retainer plate
Lower section be fixed with guide, the guide includes the fixed block of upper end and the collar of lower end, and the collar is equipped with cunning
Block, the sliding block is taken the shape of the letter U, and the lower end of the sliding block is provided with telescopic mast, and the telescopic mast is arranged in collar, the sliding block it is interior
Compression spring is fixed between u-shaped bottom and fixed block, the left and right upper end of the sliding block is aduncate arc body, described
Arc body offers in clamping breach, described clamping breach and is folded with roller.
Using the utility model of above-mentioned technical proposal, start cylinder first, drive rod now slides the upward jack-up of telescopic mast
The roller of block upper end leaves positioning core retainer plate surface, then tested bullet housing part is sheathed on the right side of main shaft, now to gasbag-type
Expansion-head inflation realizes axial limiting, is again started up cylinder, withdraws drive rod, sliding block under the resilience of compression spring,
Move downward sliding block, the tested bullet housing part outer surface of roller contact is limited tested bullet housing part, started micro-
Type motor, main shaft is rotated under the drive of driven pulley, so as to drive tested bullet housing parts turn.The clamping of bullet detection
Measurer probe need not be lifted during device clamping, operation simplifies, be tested bullet housing part and gap of main reinforcement is small, position is floated
Small, big in the tested bullet housing part bounce amplitude of rotation, reading easily, is tested bullet housing part with main shaft without relative fortune
Dynamic, measurer is adapted to using for bullet detection and promoted without abrasion.
Further limit, the main shaft is arranged restraining position ring block on the left of driven pulley, and such structure design can be effective
Ground is spacing to the progress of its driven pulley, so that more steady during driven pulley rotation.
Further limit, the first projection and the second projection, institute are provided with axis direction on the outer surface of the positioning core retainer plate
State locating core and be arranged with positioning shaft shoulder, such structure design carries out axially position to tested bullet housing part, positions core retainer plate
The first projection, the second projection it is circumferentially and imperfect, but carried out material reducing processing so that positioning core retainer plate and tested bullet
Occurs space between housing part, it is therefore an objective to eliminate the influence of workpiece shapes tolerance, it is ensured that positioning core retainer plate and tested bullet housing
Part inwall is only contacted a little.
Further limit, the left and right sides of the sliding block is symmetrical, the roller has four, is symmetrically divided into two groups and arrangement
Between the first projection and the second projection, such structure design, with the appearance of appropriate angle and tested bullet housing part
Face is contacted, it is ensured that the inwall of tested bullet housing part is contacted all the time with positioning core retainer plate, and ensures tested bullet housing part
Lateral attitude it is firm.
Further limit, the drive rod upper surface on the cylinder is provided with short column, the upper surface of the short column is provided with arc
Cushion block, such structure design further facilitates drive rod by its telescopic mast jack-up, makes telescopic mast lower surface stress more equal
It is even, it is ensured that by upright jack-up.
Brief description of the drawings
The nonlimiting examples that the utility model can be provided by accompanying drawing are further illustrated;
Fig. 1 is a kind of left view structural representation of the clamping device embodiment of bullet detection of the utility model;
Fig. 2 is a kind of main structure diagram of the clamping device embodiment of bullet detection of the utility model;
Fig. 3 is a kind of dimensional structure diagram of the clamping device embodiment of bullet detection of the utility model;
Fig. 4 is the amplification profile schematic diagram at A in Fig. 1;
Main element symbol description is as follows:
T-shaped clamping fixture seat 1, horizontal base plate 11, upright plate 12, micromachine 2, drive 21, transmission belt 3, main shaft 4, driven pulley
41st, spacing ring 42, gasbag-type expansion-head 43, positioning core retainer plate 44, the first projection 441, the second projection 442, positioning shaft shoulder 443, gas
Cylinder 5, short column 51, guide 6, collar 61, compression spring 62, sliding block 7, telescopic mast 71, arc body 72 and roller 73.
Embodiment
In order that the utility model may be better understood in those skilled in the art, it is right with reference to the accompanying drawings and examples
Technical solutions of the utility model are further illustrated.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of clamping device of bullet detection of the present utility model, including inverted T
Clamp seat 1, T-shaped clamping fixture seat 1 includes fixation in the middle part of horizontal base plate 11 and upright plate 12, the lower end of upright plate 12 and is inlaid with micro electric
Machine 2, micromachine 2 includes drive 21, and upright plate 12 is provided with through hole, through hole in the surface of micromachine 2 and is provided with bearing,
Main shaft 4 is equipped with bearing, the rear side of main shaft 4 is fixed with driven pulley 41, biography is arranged between drive 21 and driven pulley 41
Dynamic band 3, the front end of main shaft 4 through upright plate 12 is provided with gasbag-type expansion-head 43, and upright plate 12 is main provided with positioning core retainer plate 44
Axle 4 passes through positioning core retainer plate 44 and gasbag-type expansion-head 43 is located at outside positioning core retainer plate 44, and the front end upper surface of horizontal base plate 11, which is fixed, to be set
There is cylinder 5, upright plate 12 is fixed with guide 6 in the lower section of positioning core retainer plate 44, and guide 6 includes the fixed block of upper end with
The collar 61 at end, collar 61 is equipped with sliding block 7, and sliding block 7 takes the shape of the letter U, and the lower end of sliding block 7 is provided with telescopic mast 71, and telescopic mast 71 is worn
In in collar 61, being fixed with compression spring 62 between the interior u-shaped bottom and fixed block of sliding block 7, the left and right upper end of sliding block 7 be to
The arc body 72 of interior bending, arc body 72 offers clamping breach, clamping breach in be folded with roller 73.
Preferably, main shaft 4 is arranged restraining position ring block 42 in the left side of driven pulley 41, and such structure design can be effectively
Its driven pulley 21 is carried out it is spacing so that driven pulley 21 rotation when it is more steady.In fact, can also design other structures form
It is spacing to be carried out to its driven pulley 21, such as in the left side of driven pulley 21 in setting spacing preiection etc. on main shaft 4.
Preferably, the first projection 441 and the second projection 442 are provided with axis direction on the outer surface of positioning core retainer plate 44, it is fixed
Position core retainer plate 44 is provided with positioning shaft shoulder 443, and such structure design carries out axially position, locating core to tested bullet housing part
The first projection 441, the second projection 442 of set 44 are circumferentially and imperfect, but have carried out material reducing processing so that positioning core retainer plate
There is space between 44 and tested bullet housing part, it is therefore an objective to eliminate the influence of workpiece shapes tolerance, it is ensured that positioning core retainer plate 44
Only contacted a little with tested bullet housing part inwall.In fact, it is public to eliminate workpiece shapes also to design other structures form
The influence of difference, it is ensured that positioning core retainer plate 44 is only contacted a little with tested bullet housing part inwall, such as in the outer of positioning core retainer plate 44
Surface sets elastic cushion block etc..
Preferably, the left and right sides of sliding block 7 is symmetrical, and roller 73 has four, is symmetrically divided into two groups and is arranged in the first projection
441 and second between projection 442, and such structure design is connect with the outer surface of appropriate angle and tested bullet housing part
Touch, it is ensured that the inwall of tested bullet housing part is contacted all the time with positioning core retainer plate 44, and ensure that tested bullet housing part is horizontal
To the firm of posture.In fact, can also ensure the inwall and locating core of tested bullet housing part according to actual concrete condition
The other structures that set 7 is contacted all the time.
Preferably, the drive rod upper surface on cylinder 5 is provided with short column 51, and the upper surface of short column 51 is provided with arc cushion block, this
The structure design of sample, further facilitates drive rod by its jack-up of telescopic mast 71, is more uniformly stressed the lower surface of telescopic mast 71, really
Protect by upright jack-up.In fact, can also set the structure type of drive rod upper surface according to actual concrete condition, such as exist
Drive rod upper surface sets larger block structure, and drive rod is further facilitated by its jack-up of telescopic mast 71 to realize.
In the present embodiment, start cylinder 5 first, drive rod is by the upward jack-up of telescopic mast 71, the now roller of the upper end of sliding block 7
73 leave positioning core retainer plate 44 upper surface, then tested bullet housing part is sheathed on into the right side of main shaft 4, now give gasbag-type expansion-head
43 inflations realize axial limiting, are again started up cylinder 5, withdraw drive rod, sliding block 7 under the resilience of compression spring 62,
Move downward sliding block 7, the tested bullet housing part outer surface of the contact of roller 73 is limited tested bullet housing part, opened
Actuating miniature motor 2, main shaft 4 is rotated under the drive of driven pulley 21, so as to drive tested bullet housing parts turn.The bullet is examined
Measurer probe need not be lifted during the clamping device clamping of survey, operation simplifies, be tested bullet housing part and gap of main reinforcement is small, position
Put floating small, big in the tested bullet housing part bounce amplitude of rotation, reading easily, is tested bullet housing part with main shaft without phase
To motion, measurer is adapted to using for bullet detection and promoted without abrasion.
The merely exemplary explanation principle of the present utility model of above-described embodiment and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, all those of ordinary skill in the art are without departing from the spirit disclosed in the utility model
With all equivalent modifications completed under technological thought or change, it should be covered by claim of the present utility model.
Claims (5)
1. a kind of clamping device of bullet detection, it is characterised in that:Including inverted T-shaped clamping fixture seat (1), the T-shaped clamping fixture seat
(1) include fixation in the middle part of horizontal base plate (11) and upright plate (12), the lower end of the upright plate (12) and be inlaid with micromachine (2),
The micromachine (2) includes drive (21), and the upright plate (12) is provided with through hole, institute in the surface of micromachine (2)
State to be provided with to be equipped with rear side of main shaft (4), the main shaft (4) in bearing, the bearing in through hole and be fixed with driven pulley (41),
Transmission belt (3) is arranged between the drive (21) and driven pulley (41), the main shaft (4) passes through the front end of upright plate (12)
Head is provided with gasbag-type expansion-head (43), and the upright plate (12) passes through locating core provided with positioning core retainer plate (44), the main shaft (4)
Cover (44) and gasbag-type expansion-head (43) is located at positioning core retainer plate (44) outside, the front end upper surface of the horizontal base plate (11), which is fixed, to be set
There is cylinder (5), the upright plate (12) is fixed with guide (6), guide (6) bag below positioning core retainer plate (44)
The fixed block of upper end and the collar (61) of lower end are included, the collar (61) is equipped with sliding block (7), and the sliding block (7) takes the shape of the letter U, institute
The lower end for stating sliding block (7) is provided with telescopic mast (71), and the telescopic mast (71) is arranged in collar (61), the interior U of the sliding block (7)
Compression spring (62) is fixed between shape bottom surface and fixed block, the left and right upper end of the sliding block (7) is aduncate arc
Body (72), the arc body (72) offers in clamping breach, described clamping breach and is folded with roller (73).
2. a kind of clamping device of bullet detection according to claim 1, it is characterised in that:The main shaft (4) is in driven
Restraining position ring block (42) is arranged on the left of wheel (41).
3. a kind of clamping device of bullet detection according to claim 2, it is characterised in that:The positioning core retainer plate (44)
The first projection (441) and the second projection (442) are provided with axis direction on outer surface, the positioning core retainer plate (44) is provided with locating shaft
Shoulder (443).
4. a kind of clamping device of bullet detection according to claim 3, it is characterised in that:The left and right of the sliding block (7)
Side is symmetrical, and the roller (73) has four, is symmetrically divided into two groups and is arranged in the first projection (441) and the second projection (442)
Between.
5. a kind of clamping device of bullet detection according to claim 4, it is characterised in that:Drive on the cylinder (5)
Lever upper surface is provided with short column (51), and the upper surface of the short column (51) is provided with arc cushion block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621429182.5U CN206509923U (en) | 2016-12-24 | 2016-12-24 | A kind of clamping device of bullet detection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621429182.5U CN206509923U (en) | 2016-12-24 | 2016-12-24 | A kind of clamping device of bullet detection |
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Publication Number | Publication Date |
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CN206509923U true CN206509923U (en) | 2017-09-22 |
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ID=59862211
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CN201621429182.5U Expired - Fee Related CN206509923U (en) | 2016-12-24 | 2016-12-24 | A kind of clamping device of bullet detection |
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CN (1) | CN206509923U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107336166A (en) * | 2016-12-24 | 2017-11-10 | 重庆都英科技有限公司 | A kind of clamping device of bullet detection |
-
2016
- 2016-12-24 CN CN201621429182.5U patent/CN206509923U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107336166A (en) * | 2016-12-24 | 2017-11-10 | 重庆都英科技有限公司 | A kind of clamping device of bullet detection |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20191224 |
|
CF01 | Termination of patent right due to non-payment of annual fee |