CN105817936B - A kind of automatic right-angle head for carrying middle position - Google Patents
A kind of automatic right-angle head for carrying middle position Download PDFInfo
- Publication number
- CN105817936B CN105817936B CN201610262688.XA CN201610262688A CN105817936B CN 105817936 B CN105817936 B CN 105817936B CN 201610262688 A CN201610262688 A CN 201610262688A CN 105817936 B CN105817936 B CN 105817936B
- Authority
- CN
- China
- Prior art keywords
- angle head
- head
- expansion link
- push rod
- positive stop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
Abstract
The invention discloses a kind of automatic right-angle head for carrying middle position, including upper box, lower box, right-angle head main shaft and power transmission shaft, the both sides of upper box are respectively provided with a lock cell, and each lock cell includes positive stop key, push rod, expansion link and spring；The automatic right-angle head provided by the invention for carrying middle position, positive stop key is installed on upper box, expansion link is installed on positive stop key, the side-to-side movement of expansion link is driven by the up and down motion of push rod, it is engaged with the stopper slot on machine tool chief axis flange and keyway, realize the middle bit function of automatic right-angle head, can effectively solve the problems, such as that right-angle head itself middle position is spacing, the design of pull head oil cylinder can be simplified while the compactedness of the high rotating speed of automatic right-angle head and structure is ensured, the design to overall lathe provides favourable space.
Description
Technical field
The present invention relates to a kind of machine tool accessories right-angle head, specifically a kind of automatic right-angle head for carrying middle position.
Background technology
The C axles pine folder oil cylinder of automatic right-angle head can be arranged on right-angle head itself, this to design the structure for making right-angle head
It is relative complex；It can also be arranged on three sections of oil cylinders, the C axles pine folder and middle position of right-angle head, such a form are realized by three sections of oil cylinders
Right-angle head is simple in construction, but three sections of oil cylinders are highly larger, and occupy-place is more below ram.In new architecture R＆D process, ram
Electro spindle need to be matched somebody with somebody, ram lower end installs the insufficient space of three sections of oil cylinders, need to use two-part pull head oil cylinder, can only realize C axle clamps
Tight and release function, and bit function in can not realizing, now, the middle bit function of automatic right-angle head becomes asks for urgently to be resolved hurrily
Topic.
CN 203254211U disclose a kind of High-Speed Automatic right-angle head of compact structure, including casing, main shaft and are arranged on
Transmission mechanism between casing and main shaft, casing are made up of upper box and lower box, and multiple blind rivets, top box are provided with upper box
Body is connected by multiple blind rivets with pull head oil cylinder；Transmission mechanism includes first gear transmission mechanism, power transmission shaft and second gear and passed
Motivation structure, first gear transmission mechanism are arranged on one end of power transmission shaft, and second gear transmission mechanism is arranged on the another of power transmission shaft
End, and second gear transmission mechanism is connected with main shaft, power transmission shaft is arranged in transmission shafts bearing, transmission shafts bearing and transmission
Back-to-back first angular contact ball bearing is provided between axle；Upper box is set in the upper end of transmission shafts bearing, lower box set
It is located at the lower end of transmission shafts bearing；The rotating speed of the automatic right-angle head meets mould processing request up to 4000rpm.Although should
Automatic right-angle head has more advantages, compact-sized, and rotating speed is high, with the obvious advantage in terms of Z axis processes stroke, but also can only be real
Existing C axis clampings and release function, and bit function in can not realizing.The application is the improvement on the basis of CN 203254211U.
The content of the invention
The technical problems to be solved by the invention are：A kind of automatic right-angle head for carrying middle position, the automatic right-angle head are provided
Bit function in can realizing, can effectively solve the problems, such as that right-angle head itself middle position is spacing, ensure the high rotating speed of automatic right-angle head
And structure compactedness while can simplify the design of pull head oil cylinder, the design to overall lathe provides favourable space.
Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of automatic right-angle head for carrying middle position, bag
Upper box, lower box, right-angle head main shaft and power transmission shaft are included, multiple blind rivets, described upper box are provided with described upper box
Be connected by described multiple blind rivets with the oil drain pan of four two-part pull head oil cylinders, from the rear end of described right-angle head main shaft to
The front end of described right-angle head main shaft is sequentially provided with the first gland, piston, the second gland, pull bar, pulling claw fixed block and pulling claw, institute
Disc spring is cased with the pull bar stated, handle of a knife is provided with above described power transmission shaft, main shaft blind rivet, institute are provided with described handle of a knife
The main shaft blind rivet stated is connected with machine tool chief axis, matching somebody with somebody by external gear and internal gear between described handle of a knife and described power transmission shaft
Close and transmit moment of torsion, described inner gear housing is located at the outside of described external gear, and internal tooth described under right-angle head pine head status
First longitudinal direction spacing is provided between the interior teeth portion of wheel and the outer toothed portion of described external gear, described internal gear is fixed on a fluted disc
On seat, described fluted disc seat connects with described upper box centering, between described fluted disc seat and the inwall of described upper box
Glan circle and wear ring are installed, lower chain wheel, described external gear and described transmission are fixed with the top of described fluted disc seat
Axle involute spline connects, and is turned round between described power transmission shaft and described right-angle head main shaft by a pair of spiral bevel gear pair transmission
Square, the both sides of described upper box are respectively provided with a lock cell, each described lock cell include positive stop key, push rod,
Expansion link and spring, described positive stop key are arranged on the top of the side wall of described upper box, are provided with down in described positive stop key
The installation cavity of portion's opening, described push rod are arranged in described installation cavity, and described push rod runs through described upper box up and down
Side wall, described spring is set in the middle part of described push rod, and the middle and lower part of described push rod is provided with boss, described spring
Compression is arranged between described positive stop key and described boss, and described expansion link is slidably connected at the upper of described push rod
Portion, the upper face of described push rod offer skewed slot, are provided with the outside of described expansion link and are adapted with described skewed slot
Taper key, described taper key is plugged in described skewed slot, and the inwall of described positive stop key offers and described expansion link phase
The cross through hole of adaptation, the top of the inner side of described expansion link are provided with small end, and described expansion link is arranged in described horizontal stroke
To through hole, offered on the flange of machine tool chief axis the stopper slot corresponding with described small end and with described positive stop key
The keyway that wall is adapted, described stopper slot are located at the inner side of described keyway；It is automatic straight when machine tool chief axis captures main shaft blind rivet
Angle head is in tension, and small end is stretched into the inwall insertion keyway of positive stop key while in stopper slot, small end and stopper slot
There is second longitudinal direction spacing, the height of described second longitudinal direction spacing is not less than the height of described first longitudinal direction spacing between lower edge
Degree；When four two-part pull head oil cylinders are in loose claw-like state, automatic right-angle head moves down under Gravitative Loads, small end and stopper slot
Lower edge contacts, and automatic straight joint is in middle position state, and now external gear drives internal gear to rotate, and completes C axle transposition actions.
The automatic right-angle head of the present invention, positive stop key is installed on upper box, expansion link is installed on positive stop key, passes through push rod
Up and down motion drive the side-to-side movement of expansion link, be engaged, realize automatic with the stopper slot on machine tool chief axis flange and keyway
The middle bit function of right-angle head, can effectively solve the problems, such as that right-angle head itself middle position is spacing, while the design of pull head oil cylinder can be simplified,
The design that simplifies of four two-part pull head oil cylinders provides favourable space to the design of overall lathe.
Guide is installed, described guide is set in the outside of described expansion link, described in described cross through hole
Expansion link and described push rod are made up of the high-abrasive material through Overheating Treatment.Because the inner side of expansion link is held in right-angle head middle position
Weight is larger, and the guide installed in cross through hole can play wear-resisting and distortion-free effect；By the high-abrasive material through Overheating Treatment
The intensity of manufactured expansion link and push rod is higher, it can be ensured that the realization of middle bit function.
The top in head storehouse is provided with two screws relative with the push rod position described in two, when automatic right-angle head is in pine
During head status, automatic right-angle head is placed on a storehouse, the bottom of described two screw difference two push rods of top pressure, makes two push rods
Move upwards and drive expansion link to inside contract, and positive stop key is departed from keyway, from the beginning storehouse disengages so as to automatic right-angle head, completes loose head
Action.The design of two screws on Tou Ku tops, it is ensured that two push rods can obtain effective top pressure under loose head status, move loose head
Make smooth.
Adjusting pad is installed, described adjusting pad is set in described between described positive stop key and the top of described spring
Push rod on.Adjusting pad can improve the assembly precision of lock cell.
Compared with prior art, the advantage of the invention is that：The automatic right-angle head provided by the invention for carrying middle position, upper
Positive stop key is installed on casing, expansion link is installed on positive stop key, the side-to-side movement of expansion link is driven by the up and down motion of push rod,
It is engaged with the stopper slot on machine tool chief axis flange and keyway, realizes the middle bit function of automatic right-angle head, can effectively solve right angle
The problem of itself middle position of head is spacing, pull head oil can be simplified while the compactedness of the high rotating speed of automatic right-angle head and structure is ensured
The design of cylinder, the design to overall lathe provide favourable space.
Brief description of the drawings
Fig. 1 is the connection diagram of automatic right-angle head and machine tool chief axis in embodiment under grappling fixture state；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is the structural representation of automatic right-angle head in embodiment under loose head status；
Fig. 4 is the side view of machine tool chief axis flange；
Fig. 5 is the outside drawing that grappling fixture state lower push rod is connected with constrictor；
Fig. 6 is the front view that grappling fixture state lower push rod is connected with constrictor；
Fig. 7 is the front view that middle position state lower push rod is connected with constrictor.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
The automatic right-angle head for carrying middle position of embodiment 1, as illustrated, including upper box 11, lower box 12, right-angle head master
Axle 3 and power transmission shaft 2, multiple blind rivets 13 are provided with upper box 11, upper box 11 passes through multiple blind rivets 13 and four two-parts are drawn
Hair oil cylinder（Not shown in figure）Oil drain pan be connected, the front end from the rear end of right-angle head main shaft 3 to right-angle head main shaft 3 is sequentially provided with
First gland 31, piston 32, the second gland 33, pull bar 34, pulling claw fixed block 35 and pulling claw 36, disc spring 37 is cased with pull bar 34,
The top of power transmission shaft 2 is provided with handle of a knife 21, and main shaft blind rivet 22 is provided with handle of a knife 21, and main shaft blind rivet 22 is connected with machine tool chief axis 5,
Moment of torsion is transmitted by the cooperation of external gear 23 and internal gear 24 between handle of a knife 21 and power transmission shaft 2, internal gear 24 is set in external gear
23 outside, and first longitudinal direction is provided with right-angle head pine head status between the interior teeth portion of internal gear 24 and the outer toothed portion of external gear 23
Spacing 25, internal gear 24 are fixed on a fluted disc seat 26, and fluted disc seat 26 connects with the centering of upper box 11, fluted disc seat 26 and upper box
Glan circle 27 and wear ring 28 be installed between 11 inwall, the top of fluted disc seat 26 is fixed with lower chain wheel 29, external gear 23 with
The involute spline of power transmission shaft 2 is connected, and moment of torsion is transmitted by a pair of spiral bevel gear pairs 38 between power transmission shaft 2 and right-angle head main shaft 3,
The both sides of upper box 11 are respectively provided with a lock cell, and each lock cell includes positive stop key 41, push rod 42, the and of expansion link 43
Spring 44, positive stop key 41 are arranged on the top of the side wall of upper box 11, and the installation cavity 45 of lower openings, top are provided with positive stop key 41
Bar 42 is arranged in installation cavity 45, and push rod runs through the side wall of upper box 11 about 42, and spring 44 is set in the middle part of push rod 42, pushes up
The middle and lower part of bar 42 is provided with boss 46, and the compression of spring 44 is arranged between positive stop key 41 and boss 46, and expansion link 43 is slidably connected
On the top of push rod 42, the upper face of push rod 42 offers skewed slot 47, and the outside of expansion link 43 is provided with fits with the phase of skewed slot 47
The taper key 48 matched somebody with somebody, taper key 48 are plugged in skewed slot 47, and the inwall of positive stop key 41 offers the transverse direction being adapted with expansion link 43 and led to
Hole 411, the top of the inner side of expansion link 43 are provided with small end 431, and expansion link 43 is arranged in cross through hole 411, machine tool chief axis 5
The stopper slot 52 corresponding with small end 431 and the keyway 53 being adapted with the inwall of positive stop key 41 are offered on flange 51, is limited
Position groove 52 is located at the inner side of keyway 53.When machine tool chief axis 5 captures main shaft blind rivet 22, automatic right-angle head is in tension, small end
431 stretch into the inwall insertion keyway 53 of positive stop key 41 while in stopper slot 52, between the lower edge of small end 431 and stopper slot 52
With second longitudinal direction spacing 54, the height of second longitudinal direction spacing 54 is not less than the height of first longitudinal direction spacing 25；Four two-parts
When pull head oil cylinder is in loose claw-like state, automatic right-angle head moves down under Gravitative Loads, and the lower edge of small end 431 and stopper slot 52 connects
Touch, automatic straight joint is in middle position state, and now external gear 23 drives internal gear 24 to rotate, and completes C axle transposition actions.When certainly
When dynamic right-angle head is in loose head status, automatic right-angle head is placed in Tou Ku（Not shown in figure）On, Tou Ku tops make two push rods 42
Move upwards and drive expansion link 43 to inside contract, and positive stop key 41 is departed from keyway 53, from the beginning storehouse disengages so as to automatic right-angle head, complete
Cheng Songtou is acted.
The automatic right-angle head for carrying middle position of embodiment 2, it is essentially identical with the structure of the automatic right-angle head of embodiment 1, no
It is with part, in the automatic right-angle head for carrying middle position of embodiment 2, guide 412, guide 412 is installed in cross through hole 411
The outside of expansion link 43 is set in, expansion link 43 and push rod 42 are made up of the high-abrasive material through Overheating Treatment；The top peace in head storehouse
Equipped with two screws relative with two positions of push rod 42（Not shown in figure）, when automatic right-angle head is in loose head status, from
Dynamic right-angle head is placed on a storehouse, the bottom of two screw difference two push rods 42 of top pressure, makes two push rods 42 motion and band upwards
Dynamic expansion link 43 inside contracts, and positive stop key 41 is departed from keyway 53, and so as to automatic right-angle head, from the beginning storehouse disengages, and completes loose head action；
Adjusting pad 49 is installed, adjusting pad 49 is set on push rod 42 between the top of positive stop key 41 and spring 44.
Claims (4)
1. a kind of automatic right-angle head for carrying middle position, including upper box, lower box, right-angle head main shaft and power transmission shaft, described is upper
It is provided with multiple blind rivets on casing, described upper box connects oil by described multiple blind rivets and four two-part pull head oil cylinders
Disk is connected, the front end from the rear end of described right-angle head main shaft to described right-angle head main shaft be sequentially provided with the first gland, piston,
Second gland, pull bar, pulling claw fixed block and pulling claw, disc spring is cased with described pull bar, is provided with above described power transmission shaft
Handle of a knife, be provided with main shaft blind rivet on described handle of a knife, described main shaft blind rivet is connected with machine tool chief axis, described handle of a knife with it is described
Power transmission shaft between moment of torsion transmitted by the cooperation of external gear and internal gear, described inner gear housing is located at described external gear
Outside, and first is provided between the interior teeth portion of internal gear and the outer toothed portion of described external gear described under right-angle head pine head status
Longitudinal pitch, described internal gear are fixed on a fluted disc seat, and described fluted disc seat connects with described upper box centering, described
Fluted disc seat and described upper box inwall between Glan circle and wear ring are installed, be fixed with the top of described fluted disc seat
Lower chain wheel, described external gear are connected with described power transmission shaft involute spline, described power transmission shaft and described right-angle head master
Between axle moment of torsion is transmitted by a pair of spiral bevel gear pairs, it is characterised in that：The both sides of described upper box are respectively provided with one
Lock cell, each described lock cell include positive stop key, push rod, expansion link and spring, and described positive stop key is arranged on institute
The top of the side wall for the upper box stated, the interior installation cavity for being provided with lower openings of described positive stop key, described push rod are arranged on institute
In the installation cavity stated, described push rod runs through the side wall of described upper box up and down, and described spring is set in described push rod
Middle part, the middle and lower part of described push rod is provided with boss, described spring-compressed be arranged at described positive stop key with it is described convex
Between platform, described expansion link is slidably connected at the top of described push rod, and the upper face of described push rod offers skewed slot,
The taper key being adapted with described skewed slot is provided with the outside of described expansion link, described taper key is plugged in described skewed slot
Interior, the inwall of described positive stop key offers the cross through hole being adapted with described expansion link, the inner side of described expansion link
Top be provided with small end, described expansion link is arranged in described cross through hole, is offered on the flange of machine tool chief axis and institute
The corresponding stopper slot of small end stated and the keyway being adapted with the inwall of described positive stop key, described stopper slot are located at institute
The inner side for the keyway stated；When machine tool chief axis captures main shaft blind rivet, automatic right-angle head is in tension, and small end is stretched into stopper slot
While positive stop key inwall insertion keyway in, there is second longitudinal direction spacing between small end and the lower edge of stopper slot, described the
The height of two longitudinal pitches is not less than the height of described first longitudinal direction spacing；Four two-part pull head oil cylinders are in loose claw-like state
When, automatic right-angle head moves down under Gravitative Loads, and small end contacts with the lower edge of stopper slot, and automatic straight joint is in middle position shape
State, now external gear drive internal gear rotate, and complete C axle transposition actions.
A kind of 2. automatic right-angle head for carrying middle position according to claim 1, it is characterised in that：In described cross through hole
Guide is installed, described guide is set in the outside of described expansion link, and described expansion link and described push rod are by passing through
The high-abrasive material of heat treatment is made.
A kind of 3. automatic right-angle head for carrying middle position according to claim 1, it is characterised in that：The top in head storehouse is provided with
Two screws relative with the push rod position described in two, when automatic right-angle head is in loose head status, automatic right-angle head is placed in
On head storehouse, the bottom of described two screw difference two push rods of top pressure, two push rods are made to move and drive in expansion link upwards
Contracting, and positive stop key is departed from keyway, so as to automatic right-angle head, from the beginning storehouse disengages, and completes loose head action.
A kind of 4. automatic right-angle head for carrying middle position according to claim 1, it is characterised in that：Described positive stop key and institute
Adjusting pad is installed, described adjusting pad is set on described push rod between the top for the spring stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262688.XA CN105817936B (en) | 2016-04-26 | 2016-04-26 | A kind of automatic right-angle head for carrying middle position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262688.XA CN105817936B (en) | 2016-04-26 | 2016-04-26 | A kind of automatic right-angle head for carrying middle position |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105817936A CN105817936A (en) | 2016-08-03 |
| CN105817936B true CN105817936B (en) | 2017-11-17 |
Family
ID=56527470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610262688.XA Active CN105817936B (en) | 2016-04-26 | 2016-04-26 | A kind of automatic right-angle head for carrying middle position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105817936B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186261B (en) * | 2017-06-16 | 2023-04-28 | 宁波海天精工股份有限公司 | High-speed flat cutter head with small structure |
| CN117583788B (en) * | 2024-01-15 | 2024-04-16 | 常州市昊蕴轩机械有限公司 | Calibrating device is used in cast member welding |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286611A (en) * | 2013-05-08 | 2013-09-11 | 宁波海天精工股份有限公司 | Compact-structure high-speed automatic right angle head small and skillful in design |
| CN103786053A (en) * | 2013-12-27 | 2014-05-14 | 宁波海天精工股份有限公司 | Manual and automatic optical square |
| CN204471106U (en) * | 2015-03-27 | 2015-07-15 | 苏州江源精密机械有限公司 | Automatic indexing right-angle head device on gantry machining center |
| CN104889784A (en) * | 2015-03-24 | 2015-09-09 | 江苏新瑞重工科技有限公司 | 4*90-degree right-angle head automatic indexing device |
| CN204725198U (en) * | 2015-06-02 | 2015-10-28 | 宁波海天精工股份有限公司 | A kind of horizontal workbench tool magazine of Longmen machine tool |
| CN205571997U (en) * | 2016-04-26 | 2016-09-14 | 宁波海天精工股份有限公司 | From automatic right angle head of taking meso position |
-
2016
- 2016-04-26 CN CN201610262688.XA patent/CN105817936B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286611A (en) * | 2013-05-08 | 2013-09-11 | 宁波海天精工股份有限公司 | Compact-structure high-speed automatic right angle head small and skillful in design |
| CN103786053A (en) * | 2013-12-27 | 2014-05-14 | 宁波海天精工股份有限公司 | Manual and automatic optical square |
| CN104889784A (en) * | 2015-03-24 | 2015-09-09 | 江苏新瑞重工科技有限公司 | 4*90-degree right-angle head automatic indexing device |
| CN204471106U (en) * | 2015-03-27 | 2015-07-15 | 苏州江源精密机械有限公司 | Automatic indexing right-angle head device on gantry machining center |
| CN204725198U (en) * | 2015-06-02 | 2015-10-28 | 宁波海天精工股份有限公司 | A kind of horizontal workbench tool magazine of Longmen machine tool |
| CN205571997U (en) * | 2016-04-26 | 2016-09-14 | 宁波海天精工股份有限公司 | From automatic right angle head of taking meso position |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105817936A (en) | 2016-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205571997U (en) | From automatic right angle head of taking meso position | |
| CN105817936B (en) | A kind of automatic right-angle head for carrying middle position | |
| CH634250A5 (en) | Drilling or percussion hammer | |
| CN108087498A (en) | A kind of multiple tooth while engagement active-tooth transmission | |
| CN209534235U (en) | A kind of multi-link lever press | |
| CN207018384U (en) | The power takeoff of high intensity input unit | |
| CN205780387U (en) | A kind of automobile dipentodon sinicus key axle | |
| CN209057044U (en) | Motor direct connection single-screw extruder gearbox | |
| CN105221767B (en) | A kind of Zero-friction hard-sealing butterfly valve | |
| CN108799429A (en) | A kind of adjustable retarder | |
| CN216918221U (en) | Roller type guiding device for elevator | |
| DE102010006152B4 (en) | Hand-held hammer drill | |
| CN208894959U (en) | High temperature and pressure honeycomb jacket and its processing unit (plant) | |
| CN108527907A (en) | A kind of knuckle joint press of bias fluted disc driving | |
| CN209393865U (en) | A kind of riveter | |
| CN209067091U (en) | A kind of novel hydraulic power head | |
| CN208701259U (en) | A kind of reeling machine tooth case | |
| CN208451532U (en) | The hammering power mechanism of electric hammer | |
| CN106812831A (en) | A kind of friction brakes based on cylinder locking | |
| CN208784835U (en) | Spiral cam disc type reciprocating transmission mechanism and reciprocating saw | |
| CN208410588U (en) | A kind of refrigerator internal partition injection mold molding machine | |
| CN105736661B (en) | A kind of double spherical surface sliding rotating apparatus of screw rod transmission | |
| CN207383331U (en) | The gear drive of spinning wheel type fishing line reel | |
| CN206425879U (en) | Bar material transfer structure | |
| CN100498001C (en) | Power energy-saving package group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |