CN213764020U

CN213764020U - Clamp for lathe machining

Info

Publication number: CN213764020U
Application number: CN202022809686.2U
Authority: CN
Inventors: 张龙; 钟海峰; 梁柯
Original assignee: Dongguan Qihai Industrial Co ltd
Current assignee: Dongguan Qihai Industrial Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-23
Anticipated expiration: 2030-11-27

Abstract

The utility model belongs to the technical field of clamping device's technique and specifically relates to a lathe is anchor clamps for processing is related to, it includes fixed establishment and fixture, fixed establishment includes the fixing base, spacing post and mount pad, the one end fixed mounting of spacing post is in the fixing base, mount pad fixed connection keeps away from the one end of fixing base in spacing post, fixture includes two clamping jaws that the symmetry set up and promotes the subassembly, the free end that two clamping jaws kept away from mutually all rotates and installs in one side that the fixing base was kept away from to the mount pad, it is used for promoting two clamping jaws around its rotation point towards the direction removal that is close to or keeps away from the mount pad to promote the subassembly. This application has the staff of being convenient for and fixes the effect fast to circular product.

Description

Clamp for lathe machining

Technical Field

The application relates to the field of clamping devices, in particular to a clamp for lathe machining.

Background

The lathe is one of the widely used machine tools at present, and is mainly used for cutting and processing inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with any taper angles, inner and outer curved surfaces of complex rotation, cylindrical threads, conical threads and the like, and can perform grooving, drilling, reaming, boring and the like.

When a lathe is used for processing a round product, the round product to be processed is generally fixed by using the three-jaw chuck, and when the round product is fixed, a worker needs to repeatedly screw the three-jaw chuck.

In view of the above-mentioned related technologies, the inventor thinks that the operation of fixing the circular product is cumbersome, and the circular product is not convenient to fix quickly.

SUMMERY OF THE UTILITY MODEL

In order to make things convenient for the staff to fix circular product fast, this application provides a anchor clamps for lathe machining.

The application provides a lathe processing uses anchor clamps adopts following technical scheme:

the utility model provides an anchor clamps for lathe processing, includes fixed establishment and fixture, fixed establishment includes fixing base, spacing post and mount pad, the one end fixed mounting of spacing post in the fixing base, mount pad fixed connection keeps away from the one end of fixing base in spacing post, fixture includes two clamping jaws that the symmetry set up and promotes the subassembly, two the free end that the clamping jaw was kept away from mutually all rotates and installs in one side that the fixing base was kept away from to the mount pad, it is used for promoting two clamping jaws around its rotation point towards the direction removal that is close to or keeps away from the mount pad to promote the subassembly.

Through adopting above-mentioned technical scheme, at first install the fixing base in the lathe, will treat the work piece of processing afterwards and arrange in between two clamping jaws, promote two clamping jaws through the promotion subassembly and remove towards the direction that is close to the mount pad, can make two clamping jaws treat the work piece of processing and carry out the centre gripping, need not the staff at this in-process and twist repeatedly soon to make staff's easy and simple to handle, and then the staff of being convenient for treats that the circular product of processing fixes fast, is favorable to providing staff's work efficiency.

It is optional, promote the subassembly including the fixed block, promote piece and slide bar, the fixed block is located between fixing base and the mount pad, promote the piece and be provided with two and equal fixed connection in one side that the fixing base was kept away from to the fixed block, two the fixed block all passes the mount pad along the axis of mount pad and slides the cooperation with the mount pad, the slide bar is provided with two and installs respectively in two free ends that promote the piece and keep away from the fixed block, two the clamping jaw all sets up the groove of sliding that extends along its length direction, two the slide bar is located two respectively and slides the inslot and slides the cooperation with two grooves of sliding.

Through adopting above-mentioned technical scheme, when the fixed block removed towards the direction of mount pad, the mount pad drove the clamping jaw thereupon and rotates around its turning point towards the direction of keeping away from the mount pad, and at this moment, the slide bar slided at the inslot that slides, and the cooperation in slide bar and the groove that slides plays the limiting displacement when rotating the clamping jaw, and when the fixed block removed towards the direction of fixing base, the mount pad drove the clamping jaw thereupon and rotates around its turning point towards the direction that is close to the mount pad, and then treats that the product of processing carries out the centre gripping.

Optionally, one end of the clamping jaw away from the rotation point is arc-shaped.

Through adopting above-mentioned technical scheme, clamping jaw one end is curved setting and makes when the circular product of clamping jaw centre gripping treating processing, great with the area of contact of product to be favorable to strengthening the stability when the circular product is treated to the clamping jaw centre gripping.

Optionally, at least one positioning element is installed on the mounting seat, the positioning element includes a limiting portion and a positioning portion fixedly connected to the limiting portion, and the positioning portion penetrates through the mounting seat along the axis direction of the mounting seat.

Through adopting above-mentioned technical scheme, the setting element plays the positioning action when treating the installation of processing product to the staff of being convenient for will treat that the product of processing installs the position when the product is fixed, and the setting of spacing portion makes the setting element be difficult for breaking away from the mount pad.

Optionally, the free end of the positioning portion, which is far away from the limiting portion, is in a circular truncated cone shape with a gradually reduced cross-sectional area.

Through adopting above-mentioned technical scheme, location portion has certain clearance transition when running through to insert the mount pad between with the mount pad to the installation of setting element is convenient for.

Optionally, a plurality of tightening bolts are in threaded fit with one end of the mounting seat facing the fixing seat, and a bolt head of each tightening bolt abuts against one end of each limiting portion away from the positioning portion.

Through adopting above-mentioned technical scheme, support the tight effect of bolt to spacing portion and be favorable to further strengthening the stability of its position after the setting element is installed in the mount pad.

Optionally, one side fixed mounting of mount pad orientation fixing base has the screens piece, the screens piece cooperates with the one end joint of waiting to process the product, the mount pad is seted up and is run through the hole of stepping down that sets up and correspond with screens piece position along its axis.

Through adopting above-mentioned technical scheme, the screens piece is favorable to further strengthening the stability when treating the joint of processing product with the joint cooperation of treating the processing product.

Optionally, at least two limiting columns are circumferentially distributed around the axis of the fixing seat.

Through adopting above-mentioned technical scheme, the setting of many spacing posts is favorable to strengthening the stability when fixing mutually between fixing base and mount pad.

Optionally, the mounting base is provided with a plurality of lightening holes which penetrate through the mounting base along the axis of the mounting base.

Through adopting above-mentioned technical scheme, being provided with of lightening hole does benefit to the weight that reduces the mount pad to be convenient for install the mount pad, simultaneously, still be favorable to save material, reduce the processing cost.

Optionally, a threaded sleeve is fixedly mounted on one side, facing the fixed seat, of the fixed block.

By adopting the technical scheme, the arrangement of the threaded sleeve enables the fixing block to be installed by screwing the fixing block by a worker, so that the fixing block is easy and convenient to install by the worker.

In summary, the present application includes at least one of the following beneficial technical effects:

the two clamping jaws are pushed to move towards the direction close to the mounting seat, so that the workpiece to be processed can be clamped by the two clamping jaws, repeated screwing of workers is not needed in the process, the operation of the workers is simple and convenient, and the workers can quickly fix the product to be processed;

the positioning piece plays a role in positioning when the product to be processed is installed, so that a worker can conveniently install the product to be processed to the position where the product is fixed;

when the circular truncated cone-shaped positioning part is inserted into the mounting seat in a penetrating manner, a certain gap transition is formed between the circular truncated cone-shaped positioning part and the mounting seat, so that the positioning part is convenient to mount.

Drawings

Fig. 1 is a schematic structural diagram of a housing in an embodiment of the present application.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 3 is an exploded view of the fixing base and the mounting base in the embodiment of the present application.

Fig. 4 is an exploded view of the fixing base and the mounting base from another perspective in the embodiment of the present application.

Description of reference numerals: 1. a housing; 2. a convex edge part; 3. a fixed seat; 4. a limiting column; 5. a mounting seat; 6. lightening holes; 7. a clamping jaw; 8. a fixed block; 9. a pushing block; 10. a slide bar; 11. a sliding groove; 12. a positioning member; 121. a limiting part; 122. a positioning part; 13. tightly abutting against the bolt; 14. a clamping piece; 15. a hole of abdication; 16. a housing hole; 17. a closing plate; 18. a threaded sleeve.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

A round product to be processed as shown in fig. 1 includes a housing 1, wherein the housing 1 is substantially cylindrical with a hollow interior, one end of the housing 1 near the length direction is in a circular truncated cone shape with a gradually decreasing cross-sectional area, and four rib portions 2 uniformly distributed circumferentially around the axis of the housing 1 are protruded outwards from the outer circumferential surface of the housing 1.

The embodiment of the application discloses anchor clamps for lathe processing. Referring to fig. 2, fixture for lathe machining includes fixed establishment and fixture, wherein, fixed establishment includes fixing base 3, spacing post 4 and mount pad 5, fixing base 3 is discoid roughly, fixing base 3 passes through bolt fixed mounting in the lathe, countersunk head bolt fixed mounting is passed through to spacing post 4's one end in fixing base 3, and spacing post 4 sets up with fixing base 3's terminal surface is perpendicular, countersunk head bolt fixed mounting is passed through to spacing post 4's the other end in mount pad 5, in order to be connected fixing base 3 and mount pad 5, make fixing base 3 and mount pad 5's position relatively fixed.

Referring to fig. 2 and 3, three limiting columns 4 are uniformly distributed around the axis of the fixing seat 3 in the circumferential direction, so that the fixing of the relative positions of the fixing seat 3 and the mounting seat 5 is more stable. The mount pad 5 is discoid roughly, and the terminal surface of mount pad 5 is mutually perpendicular with spacing post 4, and three lightening hole 6 that runs through the setting along its axis is seted up to mount pad 5 to alleviate the weight of mount pad 5, the installation of mount pad 5 of being convenient for is favorable to save material simultaneously, reduces the processing cost.

Referring to fig. 3 and 4, two clamping jaws 7 are symmetrically arranged on one side of the mounting seat 5 away from the fixed seat 3 with respect to the diameter of the mounting seat 5, and one ends of the two clamping jaws 7 away from each other are rotatably mounted on the mounting seat 5. Mount pad 5 is provided with the promotion subassembly, promotes the subassembly and includes fixed block 8, promotes piece 9 and slide bar 10, and fixed block 8 is located between fixing base 3 and the mount pad 5, promotes piece 9 and is provided with two, and two promote piece 9 respectively through countersunk head bolt fixed mounting in the one side that fixing base 3 was kept away from to fixed block 8, and two promote the both sides setting that piece 9 is close to fixed block 8 length direction respectively. The two pushing blocks 9 penetrate through the mounting seat 5 along the axis of the mounting seat 5 and are in sliding fit with the mounting seat 5.

Referring to fig. 2 and 3, the slide bar 10 is provided with two and rotates respectively and installs in two free ends that promote piece 9 and pass mount pad 5, clamping jaw 7 has all been seted up and has run through the setting and along the slide groove 11 that its length direction extends, two slide bar 10 are located two slide grooves 11 respectively and with two slide grooves 11 cooperation of sliding, so that when fixed block 8 promoted to promote piece 9 and move to the direction that is close to or keeps away from mount pad 5, two clamping jaws 7 move towards the direction that is close to or keeps away from mount pad 5 around its turning point, and then treat that the circular product of processing is casing 1 is fixed or not fixed. The ends of the two clamping jaws 7 far away from the rotating points are in the shape of a circular arc attached to the outer peripheral surface of the shell 1, so that the stability of the shell 1 in fixing is further enhanced.

With continued reference to fig. 2 and fig. 3, in order to position the position of the housing 1 during installation, which further facilitates clamping the housing 1, the mounting seat 5 is provided with four positioning members 12 disposed in one-to-one correspondence with the positions of the convex edge portions 2, each positioning member 12 includes a limiting portion 121 and a positioning portion 122 fixedly connected to the limiting portion 121, the cross-sectional area of the limiting portion 121 is larger than that of the positioning portion 122, and the positioning portion 122 is arranged on the mounting seat 5 in a penetrating manner along the axial direction of the mounting seat 5, so as to position the housing 1 to be clamped.

Referring to fig. 3 and 4, a free end of the positioning portion 122 away from the limiting portion 121 is in a truncated cone shape with a gradually decreasing cross-sectional area, so that the positioning portion 122 is inserted into the mounting seat 5. In order to further enhance the stability of the position of the positioning element 12, four sets of tightening bolts 13 are disposed on one side of the mounting seat 5 facing the fixing seat 3 in a threaded fit manner, the four sets of tightening bolts 13 are disposed in one-to-one correspondence with the four limiting portions 121, two tightening bolts 13 are disposed in each set, and the bolt head of each set of tightening bolt 13 is tightly abutted against one end of each limiting portion 121 far away from the positioning portion 122, so as to further limit the limiting portions 121.

With continued reference to fig. 3 and 4, in order to further enhance the stability of the housing 1 when being clamped, a clamping piece 14 is fixedly mounted on one side of the mounting seat 5 facing the fixing seat 3 through a countersunk head bolt, the clamping piece 14 is in clamping fit with one end of the housing 1 in a circular truncated cone shape, and the mounting seat 5 is provided with a yielding hole 15 which is arranged in a penetrating manner along the axis of the mounting seat and corresponds to the position of the clamping piece 14, so that the end of the housing 1 in the circular truncated cone shape passes through the yielding hole and is in clamping fit with the clamping piece 14.

Referring to fig. 4, in order to install the fixing block 8 on the machine tool, the machine tool drives the fixing block 8 to move in the direction of the mounting seat 5, a through-hole 16 is formed in one side of the fixing block 8 facing the fixing seat 3, and a threaded sleeve 18 is fixedly installed in the through-hole 16, so that a worker can install the fixing block 8 by rotating the fixing block 8. And a closing plate 17 for closing the orifice of the accommodating hole 16 is fixedly mounted on one side of the fixing block 8 facing the mounting seat 5 through bolts, and the accommodating hole 16 and the closing plate 17 are arranged to facilitate mounting of a threaded sleeve 18.

The implementation principle of the clamp for lathe machining in the embodiment of the application is as follows: when processing, at first install fixing base 3 in the lathe, the work piece that will treat processing afterwards is that casing 1 arranges in between two clamping jaws 7, setting element 12 plays the positioning action to casing 1, remove towards mount pad 5 place direction through promoting fixed block 8, make to promote piece 9 and promote two clamping jaws 7 and remove towards the direction of being close to mount pad 5, and then realize the centre gripping to casing 1, need not the staff at this in-process and twist repeatedly, thereby make staff's easy and simple to handle, and then the staff of being convenient for treats the circular product of processing and fixes fast, be favorable to providing staff's work efficiency.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a lathe processing uses anchor clamps which characterized in that: including fixed establishment and fixture, fixed establishment includes fixing base (3), spacing post (4) and mount pad (5), the one end fixed mounting of spacing post (4) in fixing base (3), mount pad (5) fixed connection keeps away from the one end of fixing base (3) in spacing post (4), fixture is including two clamping jaw (7) and the promotion subassembly that the symmetry set up, two the free end that clamping jaw (7) kept away from mutually all rotates and installs in one side of keeping away from fixing base (3) in mount pad (5), it is used for promoting two clamping jaws (7) around its rotation point towards the direction removal that is close to or keeps away from mount pad (5) to promote the subassembly.

2. The jig for lathe machining according to claim 1, characterized in that: promote the subassembly including fixed block (8), promotion piece (9) and slide bar (10), fixed block (8) are located between fixing base (3) and mount pad (5), it is provided with two and equal fixed connection in fixed block (8) one side of keeping away from fixed block (3), two to promote piece (9) fixed block (8) all pass mount pad (5) along the axis of mount pad (5) and with mount pad (5) cooperation of sliding, slide bar (10) are provided with two and install respectively in two free ends that promote piece (9) and keep away from fixed block (8), two slide groove (11) that extend along its length direction are all seted up in clamping jaw (7), two slide bar (10) are located two slide groove (11) respectively and with two slide groove (11) cooperation of sliding.

3. The jig for lathe machining according to claim 2, characterized in that: and one end of the clamping jaw (7) far away from the rotating point is arranged in an arc shape.

4. The jig for lathe machining according to claim 1, characterized in that: at least one positioning piece (12) is installed in mount pad (5), positioning piece (12) include spacing portion (121) and fixed connection in location portion (122) of spacing portion (121), location portion (122) run through along the axis direction of mount pad (5) and set up in mount pad (5).

5. The jig for lathe machining according to claim 4, characterized in that: the free end of the positioning part (122) far away from the limiting part (121) is in a circular truncated cone shape with the gradually reduced cross-sectional area.

6. The jig for lathe machining according to claim 5, characterized in that: a plurality of abutting bolts (13) are in threaded fit with one end, facing the fixed seat (3), of the mounting seat (5), and the bolt head of each abutting bolt (13) abuts against one end, away from the positioning part (122), of each limiting part (121) respectively.

7. The jig for lathe machining according to claim 5, characterized in that: mount pad (5) have screens piece (14) towards one side fixed mounting of fixing base (3), screens piece (14) and the cooperation of the one end joint of treating the processing product, mount pad (5) are seted up and are run through setting up and yielding hole (15) that correspond with screens piece (14) position along its axis.

8. The jig for lathe machining according to claim 1, characterized in that: the limiting columns (4) are circumferentially distributed with at least two limiting columns around the axis direction of the fixing base (3).

9. The jig for lathe machining according to claim 1, characterized in that: the mounting seat (5) is provided with a plurality of lightening holes (6) which penetrate through the mounting seat along the axis of the mounting seat.

10. The jig for lathe machining according to claim 2, characterized in that: and a threaded sleeve (18) is fixedly mounted on one side, facing the fixed seat (3), of the fixed block (8).