Special-shaped workpiece clamping and positioning clamp

Abstract

The special-shaped workpiece clamping and positioning clamp comprises a base, an object placing table, positioning seats, clamping seats, a connecting rod, a threaded seat, a push plate, a partition plate and an extrusion rod, the object placing table is installed on the upper end face of the base, the positioning seats are symmetrically arranged on the left side and the right side of the object placing table, the clamping seats are arranged on the upper end faces of the positioning seats in a sliding mode, and the connecting rod is arranged below the clamping seats. A threaded seat is arranged at the end, relatively far away from the storage table, of the clamping seat, a push plate is arranged in the clamping seat in a sliding mode, a partition plate is arranged in the clamping seat, and an extrusion rod is arranged at the end, relatively close to the storage table, of the clamping seat. And the sliding seat is matched with the steel ball which freely rolls, so that the elongation amount of the extrusion rod is limited, the elongation end of the extrusion rod is attached to the surface of the special-shaped workpiece, the special-shaped workpiece is effectively fixed and clamped, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a special-shaped workpiece clamping positioning fixture and belongs to the technical field of clamping positioning fixtures. BACKGROUND

[0002] The fixture refers to the device for fixing the machining object, making it occupy the correct position to accept the construction or detection in the mechanical manufacturing process, and is also called the fixture. In a broad sense, the device for quickly, conveniently and safely installing the workpiece in the process of the process can be called the fixture. The existing fixture basically fixes the workpiece through the clamping mode, however, when the construction is carried out on the special-shaped workpiece, the uneven shape of the special-shaped workpiece makes it not easy to be fixed by the traditional fixture, and the fixing effect of the traditional clamping is poor, so there is an urgent need for a special-shaped workpiece clamping positioning fixture to solve the above problems. CONTENT OF THE UTILITY MODEL

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a special-shaped workpiece clamping positioning fixture to solve the problems in the background art, and the utility model has the advantages of reasonable structure, limiting the elongation of the extrusion rod by the sliding seat cooperating with the freely rolling steel balls, making the elongation end of the extrusion rod fit the surface of the special-shaped workpiece, thereby effectively fixing and clamping the special-shaped workpiece, and high practicability.

[0004] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a special-shaped workpiece clamping positioning fixture, comprising a base, a placing table, a positioning seat, a clamping seat, a connecting rod, a threaded seat, a push plate, a partition plate and an extrusion rod, the upper end face of the base is provided with the placing table, the left and right sides of the placing table are symmetrically provided with the positioning seat, the upper end face of the positioning seat is provided with the clamping seat in a sliding mode, the lower part of the clamping seat is provided with the connecting rod, the end of the clamping seat away from the placing table is provided with the threaded seat, the inside of the clamping seat is provided with the push plate in a sliding mode, the inside of the clamping seat is provided with the partition plate, and the end of the clamping seat close to the placing table is provided with the extrusion rod.

[0005] Further, the positioning holes are formed through the front and rear end faces of the positioning seat, the limiting seat is arranged on the lower end face of the clamping seat, and the limiting seat and the positioning seat are slidingly engaged.

[0006] Further, the through grooves are formed through the front and rear end faces of the limiting seat, the limiting block is arranged on the front end face of the connecting rod, and the limiting block and the through grooves are engaged after penetrating through the positioning holes.

[0007] Further, the side connecting plates are arranged on the front end face of the clamping seat, the connecting holes are arranged on the surface of the connecting plates, and the connecting rod closely slides along the inner wall of the connecting hole.

[0008] Further, the extrusion rod is provided with a plurality of groups of specifications, the clamping seat is provided with a through hole at one end close to the worktable, and the extrusion rod penetrates through the outer surface of the clamping seat through the through hole.

[0009] Further, the extrusion rod is provided with a plurality of groups of specifications, the clamping seat is provided with a through hole at one end close to the worktable, and the extrusion rod penetrates through the outer surface of the clamping seat through the through hole.

[0010] Further, the clamping seat is provided with a threaded rod at one end away from the worktable, the threaded rod is engaged with the threaded seat, and the threaded rod is provided with a rotating handle at one end away from the rotating handle.

[0011] Further, the push plate closely slides along the inner wall of the clamping seat, the outer side of the push plate is embedded with a bearing seat, and the threaded rod is rotatably connected with the push plate through the bearing seat at one end away from the rotating handle.

[0012] Further, the clamping seat is internally provided with a plurality of groups of steel balls, and the steel balls are freely rolled between the push plate and the sliding seat.

[0013] The utility model discloses a special-shaped workpiece clamping positioning fixture, because the utility model adds threaded rod, threaded seat, push plate, sliding seat and extrusion rod, the user drives threaded rod rotation through rotating handle, because threaded rod and threaded seat are engaged with each other, the rotation of threaded rod makes it drive push plate to move along the inner wall of clamping seat, and the steel ball in the inside of clamping seat is extruded, and the steel ball receives extrusion and enters between the baffle, and the sliding seat is extruded, makes the sliding seat drive extrusion rod to stretch out outward, until the end of extrusion rod and the surface of special-shaped workpiece abut, and each extrusion rod can stretch out relatively independently, through the different elongation, make the extrusion rod can form more close clamping fixed with the surface of special-shaped workpiece. ACCURACY OF DRAWINGS

[0014] Other features, objects, and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0015] Figure 1 It is a structural schematic view of the utility model discloses a special-shaped workpiece clamping positioning fixture;

[0016] Figure 2 It is a partial sectional view structural schematic view of the utility model discloses a special-shaped workpiece clamping positioning fixture;

[0017] Figure 3 It is a partial sectional view structural schematic view of the utility model discloses a special-shaped workpiece clamping positioning fixture;

[0018] Figure 4The utility model provides a partial sectional view structure schematic diagram of the clamping seat in a special-shaped workpiece clamping positioning fixture.

[0019] Figure 5 The utility model provides a partial sectional view structure schematic diagram of the clamping seat in a special-shaped workpiece clamping positioning fixture,

[0020] Figure 6 The utility model provides a partial structure schematic diagram of the extrusion rod elongation in a special-shaped workpiece clamping positioning fixture,

[0021] In the drawing: 1 - base, 2 - table, 3 - positioning seat, 31 - positioning hole, 4 - clamping seat, 41 - side connecting plate, 411 - connecting hole, 42 - limiting seat, 43 - through slot, 44 - through hole, 5 - connecting rod, 51 - limiting block, 6 - threaded seat, 61 - threaded rod, 62 - rotating handle, 7 - push plate, 71 - bearing seat, 72 - steel ball, 8 - baffle, 81 - stop block, 9 - extrusion rod, 91 - sliding seat. DETAILED DESCRIPTION

[0022] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] Please refer to Figures 1-6 The utility model provides a technical scheme: a special-shaped workpiece clamping positioning fixture, including base 1, table 2, positioning seat 3, clamping seat 4, connecting rod 5, threaded seat 6, push plate 7, baffle 8 and extrusion rod 9, the upper end surface of base 1 is installed with table 2, and table 2 is symmetrically provided with positioning seat 3 on the left and right sides, and clamping seat 4 is slidably arranged on the upper end surface of positioning seat 3, and connecting rod 5 is arranged below clamping seat 4, and threaded seat 6 is arranged at the end of clamping seat 4 away from table 2, and push plate 7 is slidably arranged in clamping seat 4, and baffle 8 is arranged in clamping seat 4, and extrusion rod 9 is arranged at the end of clamping seat 4 close to table 2, and the design solves the problem of poor clamping and fixing effect of the original clamping positioning fixture on special-shaped workpieces.

[0024] As the first embodiment of the utility model: the front and rear end surfaces of the positioning seat 3 are provided with positioning holes 31, the lower end surface of the clamping seat 4 is provided with a limiting seat 42, the limiting seat 42 and the positioning seat 3 are slidingly engaged, the positioning seat 3 and the limiting seat 42 can limit the movement track of the clamping seat 4, the front and rear end surfaces of the limiting seat 42 are provided with through grooves 43, the front end surface of the connecting rod 5 is provided with a limiting block 51, the limiting block 51 is inserted through the positioning hole 31 and is engaged with the through groove 43, the limiting block 51 and the connecting rod 5 can fix the clamping seat 4 through the positioning hole 31 and the through groove 43, the front end surface of the clamping seat 4 is provided with a side connecting plate 41, the connecting plate is provided with connecting holes 411, the connecting rod 5 closely slides along the inner wall of the connecting hole 411, the connecting hole 411 can limit the connecting rod 5, a plurality of groups of extrusion rods 9 are provided, the clamping seat 4 is provided with a through hole 44 at one end close to the worktable 2, the extrusion rod 9 is inserted through the outer surface of the clamping seat 4 through the through hole 44, the extrusion rod 9 can adhere to the surface of the special-shaped workpiece according to different elongation, the inner side of the partition plate 8 is provided with a stop block 81, the inner side of the extrusion rod 9 is provided with a sliding seat 91, the sliding seat 91 closely slides along the inner wall of the partition plate 8, the stop block 81 can limit the sliding seat 91, the clamping seat 4 is rotatably provided with a threaded rod 61 at one end away from the worktable 2, the threaded rod 61 is engaged with a threaded seat 6, the threaded rod 61 is provided with a rotating handle 62 at the outer side, the rotating handle 62 is convenient for rotating the threaded rod 61, the design of the threaded seat 6 can drive the push plate 7 to move by rotating the threaded rod 61, the push plate 7 closely slides along the inner wall of the clamping seat 4, the push plate 7 is provided with a bearing seat 71 on the outer side, the threaded rod 61 is rotatably connected with the push plate 7 through the bearing seat 71 at one end away from the rotating handle 62, the design can make the push plate 7 and the threaded rod 61 relatively independently rotate, a plurality of groups of steel balls 72 are arranged in the clamping seat 4, the steel balls 72 are freely rolled between the push plate 7 and the sliding seat 91, the design of the steel balls can make the sliding seats 91 receive the same force.

[0025] As the second embodiment of the utility model: the user places the special-shaped workpiece on the upper end face of the storage table 2, then adjusts the position of the clamping seat 4 according to the size of the special-shaped workpiece, pulls the connecting rod 5, makes the limiting block 51 and the corresponding positioning hole 31 clamping, and fixes the extrusion rod 9 of the clamping seat 4 close to the special-shaped workpiece, then the user rotates the handle 62 to drive the threaded rod 61 to rotate, because the threaded rod 61 and the threaded seat 6 are mutually engaged, the rotation of the threaded rod 61 drives the push plate 7 to move along the inner wall of the clamping seat 4, and the steel ball 72 in the clamping seat 4 is extruded, the steel ball 72 is extruded into the partition plate 8, and the sliding seat 91 is extruded, so that the sliding seat 91 drives the extrusion rod 9 to stretch out, until the end of the extrusion rod 9 abuts against the surface of the special-shaped workpiece, each extrusion rod 9 can independently stretch out, by the different elongation, the extrusion rod 9 can form more close clamping and fixing on the surface of the special-shaped workpiece.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A clamping and positioning fixture for irregularly shaped workpieces, comprising a base, a platform, a positioning seat, a clamping seat, a connecting rod, a threaded seat, a push plate, a partition plate, and a pressing rod, characterized in that: The base upper end face is provided with a storage table, the storage table left and right sides are symmetrically provided with positioning seats, the positioning seat upper end face is provided with a clamping seat which is slidably arranged, the clamping seat lower side is provided with a connecting rod, the clamping seat relatively far away from the storage table one end is provided with a threaded seat, the clamping seat is internally provided with a push plate, the clamping seat is internally provided with a partition plate, the clamping seat relatively close to the storage table one end is provided with an extrusion rod.

2. A profiled workpiece clamping and positioning fixture according to claim 1, characterised in that: The positioning seat front and rear end faces are provided with positioning holes, the clamping seat lower end face is provided with a limiting seat, and the limiting seat and the positioning seat are slidably engaged.

3. A profiled workpiece clamping and positioning fixture according to claim 2, characterised in that: The limiting seat front and rear end faces are provided with through grooves, the connecting rod front end face is provided with a limiting block, and the limiting block is inserted through the positioning hole and is engaged with the through groove.

4. The profiled workpiece clamping and positioning fixture according to claim 1, characterized in that: The clamping seat front end face is provided with a side connecting plate, the connecting plate surface is provided with a connecting hole, and the connecting rod is tightly slid along the connecting hole inner wall.

5. The profiled workpiece clamping and positioning fixture according to claim 1, characterized in that: The extrusion rod is provided with several groups of the same specifications, the clamping seat relatively close to the storage table one end is provided with a through hole, and the extrusion rod is inserted through the clamping seat outer surface through the through hole.

6. A profiled workpiece clamping and positioning fixture according to claim 1, characterized in that: The partition plate inner side is provided with a stop block, the extrusion rod relatively inner side one end is provided with a sliding seat, and the sliding seat is tightly slid along the partition plate inner wall.

7. A profiled workpiece clamping and positioning fixture as claimed in claim 1, wherein: The clamping seat relatively far away from the storage table one end is rotatably provided with a threaded rod, the threaded rod is engaged with the threaded seat, and the threaded rod relatively outer side one end is provided with a rotating handle.

8. A profiled workpiece clamping and positioning fixture according to claim 7, characterised in that: The push plate is tightly slid along the clamping seat inner wall, the push plate outer side face is embedded with a bearing seat, and the threaded rod relatively far away from the rotating handle one end is rotatably connected with the push plate through the bearing seat.

9. The profiled workpiece clamping and positioning fixture according to claim 1, characterized in that: The clamping seat is internally provided with several groups of steel balls, and the steel balls are freely rolled between the push plate and the sliding seat.

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