CN218362158U

CN218362158U - Center positioning fixture

Info

Publication number: CN218362158U
Application number: CN202222575295.8U
Authority: CN
Inventors: 梅国清; 江金生
Original assignee: Dongguan Pooward Precision Machinery Manufacture Ltd
Current assignee: Dongguan Pooward Precision Machinery Manufacture Ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-01-24
Anticipated expiration: 2032-09-28

Abstract

The utility model provides a center positioning clamp, which comprises a fixed base, a limiting bracket, a mounting side plate, a sliding assembly and an adjusting assembly; the installation curb plate is fixed in unable adjustment base's both sides, spacing support includes support body and first gyro wheel, first gyro wheel is installed at support body middle part, install in the installation curb plate at support body both ends, slip subassembly includes first slider, second slider and second gyro wheel, unable adjustment base establishes first spout, first slider is installed in first spout, the second gyro wheel is installed on first slider and second slider, adjusting part includes adjusting screw, first support and second support, adjusting screw is positive and negative tooth screw, first support is fixed in first slider front side, the second support is fixed in second slider front side, first support and adjusting screw left end threaded connection, second support and adjusting screw right-hand member threaded connection. The beneficial effects are as follows: the sliding assemblies are mutually close through the adjusting screw rod, and the efficiency is improved.

Description

Center positioning fixture

Technical Field

The utility model relates to a positioning fixture field, in particular to center positioning fixture.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process. The apparatus used to quickly, easily and safely mount the workpiece at any stage in the process may be referred to as a jig, with machine tool jigs being the most common. The existing center positioning clamp is used for positioning and clamping a product through three clamping jaws, but the three clamping jaws are required to be adjusted through corresponding screws, so that the speed of clamping a workpiece is reduced in the production and processing process, the time for clamping the workpiece is prolonged, the production efficiency is reduced, and the center positioning clamp is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a center positioning anchor clamps is in order to solve the problem mentioned in the background art.

In order to achieve the above object, the present invention provides the following technical solutions:

a center positioning clamp comprises a fixed base, a limiting bracket, a mounting side plate, a sliding assembly and an adjusting assembly; the lower end of the mounting side plate is fixed to the left side and the right side of the fixed base, the limiting support comprises a support body and first rollers, the first rollers are rotatably mounted in the middle of the support body, the left end and the right end of the support body can be vertically and adjustably mounted in the mounting side plate, the sliding assembly comprises first sliding blocks, second sliding blocks and second rollers, a first sliding groove is transversely formed in the upper side of the fixed base, the first sliding blocks are slidably mounted in the first sliding groove, the second sliding blocks are slidably mounted in the first sliding groove and correspond to the right side of the first sliding blocks, the second rollers are two sets, the two sets of second rollers are respectively rotatably mounted on the upper sides of the first sliding blocks and the second sliding blocks, the adjusting assembly comprises adjusting screws, a first support and a second support, the adjusting screws are positive and negative threaded screws, the first support is fixed to the front side of the first sliding blocks, the second support is fixed to the front side of the second sliding blocks, the first support is in threaded connection with the left end of the adjusting screws, and the second support is in threaded connection with the right end of the adjusting screws.

To the further description of the present invention: the installation curb plate includes curb plate body and spacing screw, and the curb plate body is equipped with logical groove, leads to the vertical setting in curb plate body middle part of groove, installs at logical inslot about the support body both ends slidable, and spacing screw upper end and curb plate body upper end threaded connection, both ends about the support body are rotationally installed to the spacing screw lower extreme.

For the further description of the utility model: the adjusting component further comprises a first nut and a second nut, the first nut is in threaded connection with the left end of the adjusting screw rod, the first nut is in position corresponding to the left side of the first support, the second nut is in threaded connection with the right end of the adjusting screw rod, and the second nut is in position corresponding to the right side of the second support.

For the further description of the utility model: the support body is equipped with first race, and first race position corresponds at support body middle part, and rotatable the installing in first race of first gyro wheel.

For the further description of the utility model: the first sliding block comprises a first sliding block and a first locking pressing plate, the first locking pressing plate is fixed at the lower end of the first sliding block, the first locking pressing plate is connected with the first sliding groove in a sliding mode, the second sliding block comprises a second sliding block and a second locking pressing plate, the second locking pressing plate is fixed at the lower end of the second sliding block, and the second locking pressing plate is connected with the first sliding groove in a sliding mode.

For the further description of the utility model: the first sliding block is provided with a second wheel groove, the position of the second wheel groove corresponds to the upper side of the first sliding block, the second idler wheel is rotatably arranged in the second wheel groove, and the second sliding block has the same structure as the first sliding block.

To the further description of the present invention: the unable adjustment base still is equipped with a plurality of fixed orificess, and the vertical setting of a plurality of fixed orificess is in unable adjustment base, and a plurality of fixed orificess run through PMKD.

The utility model has the advantages that: adjusting screw is positive and negative tooth screw rod, when the staff rotated adjusting screw rod, because first support is fixed on first slider, the second support is fixed on the second slider, when the first support of adjusting screw rod left end screw thread section moved rightwards, first support drove first slider and slided rightwards, and simultaneously, the second support of adjusting screw rod right-hand member screw thread section moved leftwards with same speed, the second support drove the second slider and slided leftwards, realize being close to each other or keeping away from each other of first slider and second slider through rotatory adjusting screw rod, can press from both sides tight work piece fast in processing production process, and the production efficiency is improved.

Drawings

FIG. 1 is an overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention.

Description of the reference numerals:

1. a fixed base; 11. a first chute; 12. a fixing hole; 2. a limiting bracket; 21. a stent body;

22. a first roller; 3. installing a side plate; 31. a side plate body; 331. a through groove; 32. a limiting screw;

4. a sliding assembly; 41. a first slider; 411. a first slider; 412. a first locking pressure plate; 42. a second slider; 421. a second slider; 422. a second locking pressing plate; 43. a second roller; 5. an adjustment assembly; 51. adjusting the screw rod; 52. a second nut; 53. a second support; 54. a first support;

55. a first nut.

Detailed Description

The invention is further explained below with reference to the drawings:

as shown in fig. 1 to 2, the device comprises a fixed base 1, a limit bracket 2, a mounting side plate 3, a sliding assembly 4 and an adjusting assembly 5; the lower end of the mounting side plate 3 is fixed on the left side and the right side of the fixing base 1, the limiting support 2 comprises a support body 21 and a first roller 22, the first roller 22 is rotatably installed in the middle of the support body 21, the left end and the right end of the support body 21 can be vertically adjusted and installed in the mounting side plate 3, the sliding assembly 4 comprises a first sliding block 41, a second sliding block 42 and a second roller 43, a first sliding groove 11 is transversely arranged above the fixing base 1, the first sliding block 41 is slidably installed in the first sliding groove 11, the second sliding block 42 is slidably installed in the first sliding groove 11 and corresponds to the right side of the first sliding block 41, the second roller 43 is rotatably installed on the upper sides of the first sliding block 41 and the second sliding block 42 respectively, the adjusting assembly 5 comprises an adjusting screw 51, a first support 54 and a second support 53, the adjusting screw 51 is a positive-negative screw, the first support 54 is fixed on the front side of the first sliding block 41, the second support 53 is fixed on the front side of the second sliding block 42, the left end of the adjusting screw 51 is in a threaded connection, and the right end of the second support 53 is connected with the adjusting screw 51 in a threaded connection. Can adjust the gliding distance from top to bottom of spacing support 2 through spacing screw 32, spacing support 2 prevents that the work piece from reciprocating, when the staff rotates adjusting screw 51, because first support 54 is fixed on first slider 41, second support 53 is fixed on second slider 42, when first support 54 of adjusting screw 51 left end screw thread section moves right, first support 54 drives first slider 41 and slides right, and simultaneously, second support 53 of adjusting screw 51 right-hand member screw thread section moves left with same speed, second support 53 drives second slider 42 and slides left, realize being close to each other of first slider 41 and second slider 42 through adjusting screw 51, make second gyro wheel 43 on first slider 41 and the second slider 42 press from both sides tight location to the work piece, fasten the work piece through first gyro wheel 22 and the second gyro wheel 43 on spacing support 2, and simultaneously, first gyro wheel 22 and second gyro wheel 43 can not cause the damage to the work piece surface when pressing from both sides tight the work piece.

Installation curb plate 3 includes curb plate body 31 and stop screw 32, and curb plate body 31 is equipped with logical groove 331, leads to the vertical setting of groove 331 at curb plate body 31 middle part, and both ends slidable is installed in leading to groove 331 about support body 21, and stop screw 32 upper end and curb plate body 31 upper end threaded connection, and stop screw 32 lower extreme is rotationally installed above both ends about support body 21. The vertical sliding distance of the bracket body 21 is adjusted by rotating the limit screw 32, so that the bracket can adapt to workpieces with different sizes.

The adjusting assembly 5 further comprises a first nut 55 and a second nut 52, the first nut 55 is in threaded connection with the left end of the adjusting screw 51, the first nut 55 corresponds to the left side of the first bracket, the second nut 52 is in threaded connection with the right end of the adjusting screw 51, and the second nut 52 corresponds to the right side of the second bracket. After clamping the workpiece, the first nut 55 is rotated to fix the first support 54 on the adjusting screw 51, and the second nut 52 is rotated to fix the second support 53 on the adjusting screw 51, so as to prevent the first slider 41 and the second slider 42 from loosening and affecting the clamping of the workpiece.

The support body 21 is provided with a first wheel groove, the position of the first wheel groove corresponds to the middle of the support body 21, and the first roller 22 is rotatably arranged in the first wheel groove. The first wheel groove plays a role in protecting the first roller 22, so that the first roller 22 is not easily damaged in the machining process.

The first slider 41 includes a first sliding block 411 and a first locking pressing plate 412, the first locking pressing plate 412 is fixed at the lower end of the first sliding block 411, the first locking pressing plate 412 is connected with the first sliding groove 11 in a sliding manner, the second slider 42 includes a second sliding block 421 and a second locking pressing plate 422, the second locking pressing plate 422 is fixed at the lower end of the second sliding block 421, the second locking pressing plate 422 is connected with the first sliding groove 11 in a sliding manner, the first locking pressing plate 412 is fixed at the lower end of the first sliding block 411 through screws, when the first sliding block 411 needs to be replaced, the screws for fixing the first locking pressing plate 412 are dismounted and can be replaced, the second locking pressing plate 422 is fixed at the lower end of the second sliding block 421 through screws, when the second sliding block 421 needs to be replaced, the screws for fixing the second locking pressing plate 422 are dismounted and can be replaced, by arranging the first locking pressing plate 412 and the second locking pressing plate 422, so that the first sliding block 411 and the second sliding block 421 can be replaced without dismounting the mounting side plate 3, and the replacement efficiency of the first sliding block 411 and the second sliding block 421 is improved.

The first sliding block 411 is provided with a second wheel groove, the position of the second wheel groove corresponds to the upper side of the first sliding block 411, the second roller 43 is rotatably installed in the second wheel groove, the second sliding block 421 has the same structure as the first sliding block 411, and the second wheel groove plays a role in protecting the second roller 43, so that the second roller 43 is not easy to damage in the machining process.

The fixing base 1 is further provided with a plurality of fixing holes 12, the fixing holes 12 are vertically arranged in the fixing base 1, and the fixing holes 12 penetrate through the fixing bottom plate. The screw is inserted through the fixing hole 12 to fix the fixing base 1 on the machine tool.

The working principle of the embodiment is as follows:

the vertical sliding distance of the limiting support 2 can be adjusted through the limiting screw 32, the limiting support 2 prevents a workpiece from moving up and down, the adjusting screw 51 is a positive and negative thread screw, when a worker rotates the adjusting screw 51, because the first support 54 is fixed on the first slider 41, the second support 53 is fixed on the second slider 42, when the first support 54 of the left-end thread section of the adjusting screw 51 moves rightwards, the first support 54 drives the first slider 41 to slide rightwards, meanwhile, the second support 53 of the right-end thread section of the adjusting screw 51 moves leftwards at the same speed, the second support 53 drives the second slider 42 to slide leftwards, the first slider 41 and the second slider 42 are mutually close through the adjusting screw 51, the workpiece is clamped and positioned by the second roller 43 on the first slider 41 and the second slider 42 through mutual close of the first slider 41 and the second slider 42, the workpiece is clamped and positioned by the first roller 22 and the second roller 43 on the limiting support 2, when the workpiece is clamped, the first nut 55 is rotated to fix the second support 52 on the adjusting screw 51, the workpiece can be prevented from being loosened, and the workpiece can be clamped and the workpiece 22, and the workpiece can be prevented from being clamped and the workpiece can not be clamped and the workpiece can be clamped and the workpiece 22, and the workpiece can be damaged.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A center positioning fixture is characterized in that: comprises a fixed base, a limit bracket, a mounting side plate, a sliding assembly and an adjusting assembly; the utility model discloses a fixed base, including the installation curb plate, the installation curb plate lower extreme is fixed unable adjustment base's the left and right sides, spacing support includes support body and first gyro wheel, first gyro wheel rotationally installs support body middle part, but install both ends are vertical adjustment about the support body in the installation curb plate, the slip subassembly includes first slider, second slider and second gyro wheel, unable adjustment base top transversely is equipped with first spout, install first slider slidable in the first spout, install second slider slidable in the first spout and correspond first slider right side, the second gyro wheel sets up two sets ofly, two sets of the second gyro wheel rotationally installs respectively first slider with second slider upside, the adjusting part includes adjusting screw, first support and second support, adjusting screw is positive and negative tooth screw, first support is fixed first slider front side, the second support is fixed second slider front side, first support and adjusting screw left end threaded connection, the second support and adjusting screw right-hand member threaded connection.

2. A centering clip according to claim 1, wherein: the installation curb plate includes curb plate body and stop screw, the curb plate body is equipped with logical groove, it is in to lead to the vertical setting in groove curb plate body middle part, install about the support body both ends slidable lead to the inslot, stop screw upper end and curb plate body upper end threaded connection, the stop screw lower extreme is rotationally installed both ends about the support body.

3. A centering clip according to claim 1, wherein: the adjusting component further comprises a first nut and a second nut, the first nut is in threaded connection with the left end of the adjusting screw rod, the first nut is in position corresponding to the left side of the first support, the second nut is in threaded connection with the right end of the adjusting screw rod, and the second nut is in position corresponding to the right side of the second support.

4. A centering clip according to claim 1, wherein: the support body is provided with a first wheel groove, the position of the first wheel groove corresponds to the middle of the support body, and the first roller is rotatably arranged in the first wheel groove.

5. A centering clip according to claim 1, wherein: the first sliding block comprises a first sliding block and a first locking pressing plate, the first locking pressing plate is fixed to the lower end of the first sliding block, the first locking pressing plate is connected with the first sliding groove in a sliding mode, the second sliding block comprises a second sliding block and a second locking pressing plate, the second locking pressing plate is fixed to the lower end of the second sliding block, and the second locking pressing plate is connected with the first sliding groove in a sliding mode.

6. A centering clip according to claim 5, wherein: the first sliding block is provided with a second wheel groove, the position of the second wheel groove corresponds to the upper side of the first sliding block, the second idler wheel is rotatably installed in the second wheel groove, and the second sliding block has the same structure as the first sliding block.

7. A centering clip according to claim 1, wherein: the fixing base is also provided with a plurality of fixing holes, the fixing holes are vertically arranged in the fixing base, and the fixing holes penetrate through the fixing bottom plate.