CN102513845A - Machining fixture for kettle drum fixing seat - Google Patents

Machining fixture for kettle drum fixing seat Download PDF

Info

Publication number
CN102513845A
CN102513845A CN2011104372743A CN201110437274A CN102513845A CN 102513845 A CN102513845 A CN 102513845A CN 2011104372743 A CN2011104372743 A CN 2011104372743A CN 201110437274 A CN201110437274 A CN 201110437274A CN 102513845 A CN102513845 A CN 102513845A
Authority
CN
China
Prior art keywords
machining
riser
holder
timpani
plate
Prior art date
Application number
CN2011104372743A
Other languages
Chinese (zh)
Inventor
李中华
Original Assignee
天津市津宝乐器有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 天津市津宝乐器有限公司 filed Critical 天津市津宝乐器有限公司
Priority to CN2011104372743A priority Critical patent/CN102513845A/en
Publication of CN102513845A publication Critical patent/CN102513845A/en

Links

Abstract

The invention discloses a machining fixture for a kettle drum fixing seat, which comprises a bottom plate, a support plate and three positioning shafts, wherein the positioning shafts are arranged on the support plate and horizontally extend forwards. The support plate is of an L-shaped structure and comprises an integrally formed vertical plate and a horizontal plate perpendicular to the vertical plate, the horizontal plate is fixedly connected with the bottom plate through a bolt, and the positioning shafts are distributed face to face and include an upper central positioning shaft and auxiliary positioning shafts arranged on two lower sides of the central positioning shaft. The fixture is simple in structure, convenient in machining and wide in applicable range, fixing seats of different specifications can be fixed as long as open grooves of arms are the same, fixing points are few, post trepanning is facilitated, and by the aid of three fixing points for stable clamping, machining convenience and accuracy are improved, and machining quality is improved.

Description

The clamp for machining of timpani holder

Technical field

The present invention relates to a kind of timpani, particularly a kind of clamp for machining of timpani holder.

Background technology

Timpani (TIMPANI) is one of percussion instrument more important in the philharmonic society; It also is the percussion instrument that is used in orchestra the earliest; Bulging body and drum head by the semicircle spheroid constitute, and in order to cooperate the needs of music, it can access the pitch of appointment in the melody via the pedal of particular design.Timpani can change pitch at once through after this pedal machines device tuning, obtains a semitone range completely, and can play big section continuous glide.Slam the pitch that pedal points to pointer to want during tuning, the rate of tension of the rotation adjustment drum head through rotating shaft is carried out tuning to timpani simultaneously.

Specifically, timpani is made up of the holder of drum body, drum body support frame, installation drum body support frame, and the drum body support frame is packed on the crossbeam; Between holder middle part and drum body, a spring is installed, the tuning pedal structure is installed on the holder, and its concrete formation is: the rotating shaft level is installed on the holder of this timpani; End in this rotating shaft installs swing arm through a steady pin, and an end of this swing arm is installed fork, and a connecting rod is installed in the end of this fork; Pointer is installed in the upper end of this connecting rod; The rotation that drives rotating shaft through fork realizes the rate of tension of timpani drum head is regulated, thereby realizes tuning, the other end installation foot pedal of this swing arm.

Wherein, Described holder is a cast member, need offer tie rod holes above that behind the casting, because the out-of-shape of holder and protruding a plurality of arm shape structure; Difficulty of construction is big when on one of them arm of holder, offering a vertical core; Be not easy to operation, often the hole deflected, cause percent defective high.

Summary of the invention

The technical problem that the present invention will solve provide a kind of can be effectively with timpani holder fixed clamp and be convenient to the fixing jig structure of perforate.

For solving the problems of the technologies described above, the technical scheme that the present invention adopted is:

A kind of clamp for machining of timpani holder; Comprise base plate, gripper shoe and be arranged on horizontally extending forward locating shaft on the gripper shoe, described gripper shoe is L shaped structure; It comprises integrally formed riser and with the perpendicular transverse slat of described riser; Be connected with bolt between described transverse slat and base plate, described locating shaft is three of isosceles triangle Boulez, and it comprises the centralized positioning axle and the auxilliary locating shaft that is arranged on both sides, centralized positioning axle below on top.

Preferably, described centralized positioning axle is three sections column structures that coaxial formation of one and radius progressively diminish.

Preferably, wherein offer opening outwards and the U-shaped locating slot that extends along the floor length direction at four jiaos of described base plates place.

Preferably, be set with the oblique gusset plate that is fixedly connected simultaneously with riser and transverse slat at described riser rear side.

Preferably, locating shaft is the inner thread cavity that forms, and being fixed through the bolt that connects riser is connected on the riser.

Clamp structure of the present invention; Simple in structure easy to process and the scope of application is big, to the holder of different model, all can be fixed as long as the fluting of arm is identical; Fixing point is convenient to the perforate processing in later stage less; The firm clamping of three fixing points has simultaneously also improved the convenience and the accuracy of processing, has improved crudy.

Description of drawings

Fig. 1 is a timpani fixing jig structure side view of the present invention;

Shown in Figure 2 is stationary fixture front view of the present invention.

The specific embodiment

In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with accompanying drawing and embodiment.

Like Fig. 1, shown in 2, holder anchor clamps of the present invention comprise base plate 1, gripper shoe 2 and be arranged on horizontally extending forward locating shaft on the riser.

Wherein offer at 1 four jiaos of described base plates place opening outwards and the U-shaped locating slot that extends along the floor length direction so that be fixed on the tapping machine, adopt the U-shaped locating hole, but strengthened its left and right adjusting scope, be convenient to installing and locating simultaneously.

Described gripper shoe 2 is L shaped structure; It comprises integrally formed riser 20 and with the perpendicular transverse slat 21 of described riser; Described transverse slat is connected with bolt with 1 of base plate, for improving the intensity and the stressed property of riser, is set with the oblique gusset plate 4 that is fixedly connected simultaneously with riser and transverse slat at described riser rear side; Specifically, described oblique gusset plate 4 is arranged on riser 20 centre rear places and is welded to connect with transverse slat and riser.

Described locating shaft is three of isosceles triangle Boulez; It comprises the centralized positioning axle 31 and the auxilliary locating shaft 32 that is arranged on both sides, centralized positioning axle below on top; Described centralized positioning axle is three sections column structures that coaxial formation of one and radius progressively diminish, and described auxilliary locating shaft is the cylindrical structural that is fixedly connected on the riser.Wherein, the fixed form of locating shaft can form thread cavity for the inner, through the mode that the bolt that connects riser is fixed, says that also locating shaft directly welds modes such as fixing.

When concrete the use, at first utilize the U-shaped hole to be fixed on the substrate of puncher these holder anchor clamps, then holder centre bore to be processed is enclosed within on the centralized positioning axle; Because the arm inboard of holder is formed with groove; So auxilliary locating shaft inserted in the groove of arm accordingly when the centralized positioning axle inserted the holder centre bore, and feasible being inserted in of the stepped variable-diameter structure of centralized positioning axle can tighten it in the process, utilizes three locating shafts can it be fastened on the holder; Carry out perforate by programme-control then; The perforate quality can effectively be improved, and the rate of effectively reducing the number of rejects and seconds reduces production costs.

Clamp structure of the present invention; Simple in structure easy to process and the scope of application is big, to the holder of different model, all can be fixed as long as the fluting of arm is identical; Fixing point is convenient to the perforate processing in later stage less; The firm clamping of three fixing points has simultaneously also improved the convenience and the accuracy of processing, has improved crudy.

By the above only is preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (5)

1. the clamp for machining of a timpani holder; It is characterized in that: comprise base plate, gripper shoe and be arranged on horizontally extending forward locating shaft on the gripper shoe, described gripper shoe is L shaped structure; It comprises integrally formed riser and with the perpendicular transverse slat of described riser; Be connected with bolt between described transverse slat and base plate, described locating shaft is three of isosceles triangle Boulez, and it comprises the centralized positioning axle and the auxilliary locating shaft that is arranged on both sides, centralized positioning axle below on top.
2. the clamp for machining of timpani holder as claimed in claim 1 is characterized in that: described centralized positioning axle is three sections column structures that coaxial formation of one and radius progressively diminish.
3. the clamp for machining of timpani holder as claimed in claim 1 is characterized in that: wherein offer opening at four jiaos of described base plates place outwards and the U-shaped locating slot that extends along the floor length direction.
4. like the clamp for machining of each described timpani holder of claim 1-3, it is characterized in that: be set with the oblique gusset plate that is fixedly connected simultaneously with riser and transverse slat at described riser rear side.
5. like the clamp for machining of each described timpani holder of claim 1-3, it is characterized in that: locating shaft is the inner thread cavity that forms, and being fixed through the bolt that connects riser is connected on the riser.
CN2011104372743A 2011-12-23 2011-12-23 Machining fixture for kettle drum fixing seat CN102513845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011104372743A CN102513845A (en) 2011-12-23 2011-12-23 Machining fixture for kettle drum fixing seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011104372743A CN102513845A (en) 2011-12-23 2011-12-23 Machining fixture for kettle drum fixing seat

Publications (1)

Publication Number Publication Date
CN102513845A true CN102513845A (en) 2012-06-27

Family

ID=46285052

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011104372743A CN102513845A (en) 2011-12-23 2011-12-23 Machining fixture for kettle drum fixing seat

Country Status (1)

Country Link
CN (1) CN102513845A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056672A (en) * 2013-02-03 2013-04-24 侯如升 Detachable positioning seat for boring machine
CN103639768A (en) * 2013-11-29 2014-03-19 无锡市航鹄科技有限公司 High-precision positioning clamp for drilling holes with inclined surfaces
CN103879607A (en) * 2014-04-16 2014-06-25 昆山市耐光包装材料有限公司 Roller frame of carton packing machine
CN103879609A (en) * 2014-04-16 2014-06-25 昆山市耐光包装材料有限公司 Connecting base of carton packing machine
CN104097095A (en) * 2013-04-12 2014-10-15 哈尔滨飞机工业集团有限责任公司 Fixture for contour cutting machining of waist drum-shaped hollow thin-walled part
CN104339199A (en) * 2014-10-08 2015-02-11 哈尔滨汽轮机厂有限责任公司 Clamping device for milling pedestal plate of steam turbine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056672A (en) * 2013-02-03 2013-04-24 侯如升 Detachable positioning seat for boring machine
CN104097095A (en) * 2013-04-12 2014-10-15 哈尔滨飞机工业集团有限责任公司 Fixture for contour cutting machining of waist drum-shaped hollow thin-walled part
CN103639768A (en) * 2013-11-29 2014-03-19 无锡市航鹄科技有限公司 High-precision positioning clamp for drilling holes with inclined surfaces
CN103639768B (en) * 2013-11-29 2016-01-13 无锡市航鹄科技有限公司 High-precision drilling beveled aperture positioning fixture
CN103879607A (en) * 2014-04-16 2014-06-25 昆山市耐光包装材料有限公司 Roller frame of carton packing machine
CN103879609A (en) * 2014-04-16 2014-06-25 昆山市耐光包装材料有限公司 Connecting base of carton packing machine
CN104339199A (en) * 2014-10-08 2015-02-11 哈尔滨汽轮机厂有限责任公司 Clamping device for milling pedestal plate of steam turbine

Similar Documents

Publication Publication Date Title
CN201755741U (en) Instrument panel steering column support welding jig
CN202021476U (en) Automobile connecting rod fine boring jig
CN103182617A (en) Combination machining method of front half body of riding type motorcycle frame and auxiliary device thereof
CN105437367B (en) A kind of preparation method of reinforcing bar moulding bed and steel reinforcement cage
AU2012100703A4 (en) Auxiliary Tooling for Drilling Holes on Annular Wall of Motor End Cover
CN202098264U (en) Suspension mounting support
CN205764429U (en) A kind of T connector agitating friction weldering fixing tool
CN201331416Y (en) Device for measuring rotation inertia and mass center of car power assembly
CN102182250A (en) Novel aluminum alloy bolt ball grid frame node and grid frame mounting method thereof
CN105339293B (en) The mobile working machine and manufacture method of particularly automobile-used concrete pump
CN201395442Y (en) Wire releasing device
CN203184889U (en) Machining auxiliary device of striding type motorcycle frame front half body assembly
CN201058352Y (en) Bending fixture
CN201579635U (en) Horizontal lathe suspended claw
CN202599752U (en) Fixture for composite material tensile shearing/180-degree peeling test
CN203256905U (en) Space truss welded ball positioning and adjusting support
CN202192569U (en) Positioning clamping fixture for automobile auxiliary beams
CN203055623U (en) Three-dimensional coiled iron core oil-immersed type transformer body fixing device
CN202845834U (en) Inner cylinder wall boring machine of drying cylinder
CN205437598U (en) To metallic structure underframe fix with welding fixture that stereotypes
CN206011002U (en) A kind of measuring table support
CN103033117B (en) Detection method of water turbine runner blade assembly roundness testing frame
CN101898740A (en) Manhole cover opening device
CN201223971Y (en) Fixture pedestal of lock core slot-producing machine
CN202278422U (en) Auxiliary machining device used for welding steam chamber body of small steam turbine

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120627

C05 Deemed withdrawal (patent law before 1993)