CN206382883U

CN206382883U - Workbench and its fixture

Info

Publication number: CN206382883U
Application number: CN201621452862.9U
Authority: CN
Inventors: 焦裕荣; 杨洪春
Original assignee: Guangdong Evenwin Precision Technology Co Ltd
Current assignee: Guangdong Evenwin Precision Technology Co Ltd
Priority date: 2016-12-27
Filing date: 2016-12-27
Publication date: 2017-08-08
Anticipated expiration: 2026-12-27

Abstract

The utility model is related to a kind of workbench and its fixture, for being clamped to workpiece.Wherein, fixture includes fixed seat, connecting portion, screw rod and briquetting；Connecting portion is connected with fixed seat, and connecting portion, in the top of fixed seat, the side of connecting portion towards workpiece offers sliding groove, and the opposite side of connecting portion offers tapped through hole, and sliding groove is connected with tapped through hole；Screw rod is arranged in tapped through hole, and is spirally connected with connecting portion；Briquetting is slidably connected with connecting portion, and one end of screw rod exposes on connecting portion the side for offering tapped through hole, and briquetting is fixedly connected with the other end of screw rod；During fixture clamps workpiece, briquetting is at least partially housed in sliding groove.Above-mentioned fixture, during fixture clamps workpiece, rotates screw rod, briquetting can workpiece pressing surface, briquetting or screw rod are not susceptible to big deformation during clamping, and the size of clamping force can be adjusted by screw rod.Fixture it is simple in construction, workpiece can be carried out reliable and stable to clamp.

Description

Workbench and its fixture

Technical field

The utility model is related to the technical field of fixture, more particularly to a kind of workbench and its fixture.

Background technology

During machining, it is sometimes desirable to workpiece is clamped using fixture.The clamping position of general fixture It is hanging to set, cantilever beam is formed, one end of cantilever beam clamps workpiece during clamping.When clamping force is larger, cantilever beam is also easy to produce Flexural deformation, causes product to clamp unstable.

Utility model content

Based on this, it is necessary to easily occured bending and deformation during clamping for the clamping position of fixture, cause product clip Filling jiggly problem, there is provided a kind of workbench and its fixture.

A kind of fixture, for being clamped to workpiece, including：

Fixed seat；

Connecting portion, the connecting portion is connected with the fixed seat, and the connecting portion is in the top of the fixed seat, institute The side for stating connecting portion towards the workpiece offers sliding groove, and the opposite side of the connecting portion offers tapped through hole, and institute Sliding groove is stated to connect with the tapped through hole；

Screw rod, the screw rod is arranged in the tapped through hole, and is spirally connected with the connecting portion；And

Briquetting, the briquetting is slidably connected with the connecting portion, and one end of the screw rod is exposed to opens on the connecting portion Side provided with the tapped through hole, the briquetting is fixedly connected with the other end of the screw rod；

During the fixture clamps the workpiece, the briquetting is at least partially housed in the sliding groove.

In one of the embodiments, stopper slot is further opened with the connecting portion, the stopper slot is located at the connection Offer the side of the sliding groove in portion, and the stopper slot is located at the top of the connecting portion, the stopper slot with it is described Sliding groove is connected.

In one of the embodiments, the briquetting is provided with limiting section, and the limiting section is located at the top of the briquetting, In a Slideslip of the briquetting to the screw rod, the limiting section can be abutted with the cell wall of the stopper slot, to limit Slip from the briquetting to the screw rod side.

In one of the embodiments, the limiting section is gag lever post, and the briquetting is opened up close to one end of the screw rod There is connecting hole, the briquetting is fixedly connected by the connecting hole with one end of the gag lever post, and the gag lever post is another Distal process is in the stopper slot.

In one of the embodiments, the briquetting offers link slot close to one end of the screw rod, and the screw rod is extremely Small part is contained in the link slot；The connecting hole is located at the top of the link slot, and is connected with the link slot；Institute State gag lever post to be spirally connected with the briquetting by the connecting hole, and the screw rod can be compressed.

In one of the embodiments, the connecting portion has multiple, and multiple connecting portion structures are identical, and are respectively positioned on institute State the same side of workpiece；It is respectively connected with the screw rod and the briquetting on each connecting portion, and the connecting portion is towards institute The side for stating workpiece is mutually aligned.

In one of the embodiments, multiple positioning holes are offered in the fixed seat, multiple positioning holes are respectively positioned on The same side of the workpiece；The connecting portion is fixedly connected by the positioning hole with the fixed seat, changes the positioning hole, The connecting portion can be made closer or far from the workpiece.

In one of the embodiments, the briquetting can offset towards the surface of the workpiece with the surface of the workpiece Hold, the briquetting towards offering anti-slip tank on the surface of the workpiece, the anti-slip tank be used to preventing the workpiece with it is described Skidded between briquetting.

In one of the embodiments, the one end of the screw rod away from the briquetting is provided with handle, and the handle being capable of band The screw rod is moved to rotate in the tapped through hole.

A kind of workbench, for being clamped to workpiece, the workbench includes auxiliary block and above-described fixture, institute Auxiliary block is stated to be fixedly connected with the fixed seat, and the connecting portion is in the side of the auxiliary block；The auxiliary block can The workpiece is supported, under the clamping action of the briquetting, the auxiliary block clamps the workpiece jointly with the fixture.

Above-mentioned workbench and its fixture, during fixture clamps workpiece, rotates screw rod, briquetting being capable of workpiece pressing table Face.Because now briquetting is at least partly housed in sliding groove, briquetting is used as cantilever beam, its end being connected with screw rod and connection There is larger contact area in portion, and contact stress more disperses, and can prevent that big deformation occurs for briquetting or screw rod during clamping, And the size of clamping force can be adjusted by screw rod.Fixture it is simple in construction, workpiece can be carried out reliable and stable to clamp.

Brief description of the drawings

Fig. 1 is the stereogram of workbench in an embodiment；

Fig. 2 is the sectional view of the fixture of workbench shown in Fig. 1；

Fig. 3 is the stereogram of the connecting portion of fixture shown in Fig. 2；

Fig. 4 is a kind of location state diagram of fixture shown in Fig. 1 and workpiece；

Fig. 5 is another location state diagram of fixture shown in Fig. 1 and workpiece.

Embodiment

For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can come in many different forms Realize, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to of the present utility model The understanding of disclosure is more thorough comprehensive.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are for illustrative purposes only.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include The arbitrary and all combination of one or more related Listed Items.

With reference to Fig. 1, in one embodiment, workbench 10 is used to clamp workpiece 200.The workbench 10 includes auxiliary Seat 300 and fixture 100, fixture 100 further comprise fixed seat 110, connecting portion 120, screw rod 130 and briquetting 140.Workbench 10 Auxiliary block 300 be fixedly connected with the fixed seat 110 of fixture 100, and the connecting portion 120 of fixture 100 is aided in positioned at workbench 10 The side of seat 300.Auxiliary block 300 can support workpiece 200, and Surface Machining has multiple stop sections thereon, in the briquetting of fixture 100 Under 140 clamping action, auxiliary block 300 can clamp workpiece 200 jointly with fixture 100, so that workpiece 200 can be carried out subsequently Processing.

With reference to Fig. 2 and Fig. 3, as a part for workbench 10, connecting portion 120 and the fixed seat 110 of fixture 100 are consolidated Fixed connection, and connecting portion 120 is located at the top of fixed seat 110.The mode of connection has a variety of, both can be dismountable connection side The connection of formula, such as bolt arrangement or unremovably connected mode, for example, weld.Connecting portion 120 is towards workpiece 200 Side offer sliding groove 121.In one embodiment, the groove bottom of sliding groove 121 and groove top surface have been processed to level Face, sliding groove 121 has default depth.The opposite side of connecting portion 120 offers tapped through hole 123, and sliding groove 121 and spiral shell Line through hole 123 is connected.In one embodiment, the axis of tapped through hole 123 is set with plane-parallel, so that screw rod 130 can Move horizontally, and then promote briquetting 140 to move horizontally.Screw rod 130 is arranged in tapped through hole 123, and with the spiral shell of connecting portion 120 Connect.Screw rod 130 is rotated, one end that screw rod 130 is spirally connected with connecting portion 120 can be along the axis direction of screw rod 130 into connecting portion 120 It is mobile.Briquetting 140 is slidably connected by sliding groove 121 with connecting portion 120, and the groove top surface and groove of briquetting 140 and sliding groove 121 Bottom surface can contact and cooperate.One end that briquetting 140 is stretched into connecting portion 120 with screw rod 130 is fixedly connected, screw rod 130 One end expose to the side that tapped through hole 123 is offered on connecting portion 120.During fixture 100 clamps workpiece 200, Rotate the one end that exposes on connecting portion 120 of screw rod 130, the other end of screw rod 130 promote briquetting 140 in sliding groove 121 to The direction of workpiece 200 is slided, the parts hang of briquetting 140 in the outside of connecting portion 120, formed cantilever beam and can workpiece pressing 200, Another part partial receipt of briquetting 140 is in sliding groove 121.

Above-mentioned workbench 10 and its fixture 100, during fixture 100 clamps workpiece 200, rotates screw rod 130, briquetting 140 being capable of the surface of workpiece pressing 200.Because now at least part of briquetting 140 is housed in sliding groove 121, briquetting 140 is as outstanding There is larger contact area arm beam, its end being connected with screw rod 130 with connecting portion 120, and contact stress more disperses, Neng Goufang Big deformation occurs for briquetting 140 or screw rod 130 during only clamping, and the size of clamping force can be adjusted by screw rod 130.Fixture 100 it is simple in construction, reliable and stable clamp can be carried out to workpiece 200.

In one embodiment, stopper slot 125 is further opened with connecting portion 120, stopper slot 125, which is located on connecting portion 120, to be opened Side provided with sliding groove 121, stopper slot 125 is located at the top of connecting portion 120, and stopper slot 125 is connected with sliding groove 121. In one embodiment,, can from the overhead view stopper slot 125 of connecting portion 120 when briquetting 140 is moved to outside sliding groove 121 See the interface that screw rod 130 is connected with briquetting 140.One of effect of stopper slot 125 is the assembling for being conducive to fixture 100. In one embodiment, the assembling process of briquetting 140 and screw rod 130 is carried out in sliding groove 121, passes through stopper slot 125, energy Enough it was observed that whether briquetting 140 is installed in place with screw rod 130, while the length of screw rod 130 can be reduced so that screw rod 130 is not It can be assembled with sliding groove 121 is stretched out with briquetting 140.

Another effect of stopper slot 125 is that the mobile carry out to briquetting 140 is spacing.In one embodiment, briquetting 140 with Limiting section 150 is provided near the end that screw rod 130 is connected, limiting section 150 is located at the top of briquetting 140, and limiting section 150 is protruded In in stopper slot 125.In a Slideslip of the briquetting 140 to screw rod 130, limiting section 150 can be supported with the cell wall of stopper slot 125 Connect, to limit briquetting 140 to the slip of the side of screw rod 130.By the spacing of limiting section 150, sliding groove is withdrawn in briquetting 140 When in 121, the cell wall that limiting section 150 can be directly with stopper slot 125 is abutted, it is to avoid because screw rod 130 is to away from workpiece 200 Side is turned excessively so that end abutment of the end of briquetting 140 directly with tapped through hole 123, causes briquetting 140 and screw rod 130 junction produces big separation trend, causes connection to loosen.

It is understood that the structure of limiting section 150 can have a variety of.For example can directly on briquetting 140 processing department Projection is divided to be used as limiting section 150, it would however also be possible to employ bolt or bolt structure are connected into the end of briquetting 140, make as limiting section 150 With.In one embodiment, limiting section 150 is gag lever post 150, and briquetting 140 offers connecting hole close to one end of screw rod 130, even Connect hole inwall and be machined with internal thread, the bar wall of gag lever post 150 and be machined with external screw thread, briquetting 140 passes through connecting hole and gag lever post 150 one end is fixedly connected, and the other end of gag lever post 150 is protruded from stopper slot 125.

In one embodiment, briquetting 140 offers link slot 141 close to one end of screw rod 130, and screw rod 130 is at least partly It is contained in link slot 141.Connecting hole is located at the top of link slot 141, and is connected with link slot 141.Gag lever post 150 passes through even Hole is connect to be spirally connected with briquetting 140, and can clamping screw 130.Above-mentioned gag lever post 150, can both use as limiting section 150, be used for Movement of the briquetting 140 in sliding groove 121 is limited, again can be right as briquetting 140 and a part for the attachment structure of screw rod 130 Fastening effect is played in the connection of briquetting 140 and screw rod 130.

It is understood that when the length of workpiece 200 is longer, to make workpiece 200 preferably be clamped on workbench 10, even Socket part 120 is provided with multiple, and multiple structures of connecting portion 120 are identical, and are respectively positioned on the same side of workpiece 200.Each connecting portion 120 On be respectively connected with screw rod 130 and briquetting 140, and the side of multiple connecting portions 120 towards workpiece 200 is mutually aligned.By setting Multiple fixtures 100, many places clamping can be carried out during clamping to the surface of workpiece 200, to improve the stability clamped.

In one embodiment, multiple positioning holes 111 are offered in fixed seat 110, multiple positioning holes 111 are respectively positioned on workpiece 200 the same side, connecting portion 120 is fixedly connected by positioning hole 111 with fixed seat 110.Positioning hole 111 is changed, then will connection Portion 120 is fixedly connected by positioning hole 111 with fixed seat 110, it is possible to adjust distance of the connecting portion 120 relative to workpiece 200, Make connecting portion 120 closer or far from workpiece 200.By setting multiple positioning holes 111, connecting portion 120 can be easily dismounted simultaneously Position of the mobile link portion 120 in fixed seat 110, so as to shorten the width of briquetting 140, it is to avoid briquetting 140 is because stretching out The length of sliding groove 121 is long, when causing 140 workpiece pressing 200 of briquetting, clamps unstable.

In one embodiment, briquetting 140 can offset towards the surface of workpiece 200 with the surface of workpiece 200, in order to more The surface of workpiece pressing 200 well, briquetting 140 is towards offering anti-slip tank (not shown) on the surface of workpiece 200, and anti-slip tank can be with Prevent workpiece 200 from contacting surface during clamping with briquetting 140 and skidding.In one embodiment, fixture 100 clamps workpiece After 200, workpiece 200 is processed using CNC machining centers.In process, the machined surface of cutter and workpiece 200 can be produced Pressure is acted on, and anti-slip tank can effectively prevent that the opposed jaw 100 of workpiece 200 is slided in process, thus can improve processing The stability of process, it is to avoid workpiece 200 is beaten in process to fly, and causes the damage of process equipment.

With reference to Fig. 4 and Fig. 5, in one embodiment, the one end of screw rod 130 away from briquetting 140 be processed into it is cylindric, And the external diameter of cylinder is more than the big footpath of screw rod 130, cylinder is provided with handle 160, and handle 160 is protruded from outside cylinder, swing handle 160, handle 160 can drive screw rod 130 to be rotated in tapped through hole 123, so as to be tightened conveniently by manual mode Screw rod 130, makes fixture 100 form effective clamp to workpiece 200.When Fig. 4 show fixture 100 and does not clamp workpiece 200, fixture 100 with the relative position relation figure of workpiece 200, when then clamping workpiece 200 for fixture 100 shown in Fig. 5, fixture 100 and workpiece 200 Relative position relation figure.

Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope of this specification record is all considered to be.

Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims

1. a kind of fixture, for being clamped to workpiece, it is characterised in that the fixture includes：

Fixed seat；

Connecting portion, the connecting portion is connected with the fixed seat, and the connecting portion is in the top of the fixed seat, the company Socket part offers sliding groove towards the side of the workpiece, and the opposite side of the connecting portion offers tapped through hole, and the cunning Dynamic groove is connected with the tapped through hole；

Briquetting, the briquetting is slidably connected with the connecting portion, and one end of the screw rod is exposed to be offered on the connecting portion The side of the tapped through hole, the briquetting is fixedly connected with the other end of the screw rod；

2. fixture according to claim 1, it is characterised in that stopper slot is further opened with the connecting portion, described spacing Groove is located at the side that the sliding groove is offered on the connecting portion, and the stopper slot is located at the top of the connecting portion, and institute Stopper slot is stated to connect with the sliding groove.

3. fixture according to claim 2, it is characterised in that the briquetting is provided with limiting section, the limiting section is located at The top of the briquetting, in a Slideslip of the briquetting to the screw rod, the limiting section can be with the stopper slot Cell wall is abutted, to limit the briquetting to the slip of the screw rod side.

4. fixture according to claim 3, it is characterised in that the limiting section is gag lever post, and the briquetting is close to described One end of screw rod offers connecting hole, and the briquetting is fixedly connected by the connecting hole with one end of the gag lever post, and institute The other end for stating gag lever post is protruded from the stopper slot.

5. fixture according to claim 4, it is characterised in that the briquetting offers connection close to one end of the screw rod Groove, the screw rod is at least partially housed in the link slot；The connecting hole be located at the link slot top, and with it is described Link slot is connected；The gag lever post is spirally connected by the connecting hole with the briquetting, and can compress the screw rod.

6. fixture according to claim 1, it is characterised in that the connecting portion has multiple, multiple connecting portion structures It is identical, and it is respectively positioned on the same side of the workpiece；The screw rod and the briquetting, and institute are respectively connected with each connecting portion The side for stating connecting portion towards the workpiece is mutually aligned.

7. fixture according to claim 1, it is characterised in that multiple positioning holes, Duo Gesuo are offered in the fixed seat State the same side that positioning hole is respectively positioned on the workpiece；The connecting portion is fixedly connected by the positioning hole with the fixed seat, The positioning hole is changed, the connecting portion can be made closer or far from the workpiece.

8. fixture according to claim 1, it is characterised in that the briquetting towards the surface of the workpiece can with it is described The surface of workpiece offsets, and the briquetting is used to prevent towards anti-slip tank, the anti-slip tank is offered on the surface of the workpiece Skidded between the workpiece and the briquetting.

9. fixture according to claim 1, it is characterised in that the one end of the screw rod away from the briquetting is provided with handle, The handle can drive the screw rod to be rotated in the tapped through hole.

10. a kind of workbench, for being clamped to workpiece, it is characterised in that the workbench includes auxiliary block and right will The fixture described in any one of 1-9 is sought, the auxiliary block is fixedly connected with the fixed seat, and the connecting portion is in the auxiliary The side of seat；The auxiliary block can support the workpiece, under the clamping action of the briquetting, the auxiliary block and the folder Tool clamps the workpiece jointly.