Multi-station positioning clamp for long-axis part

Abstract

The utility model provides a positioning clamp for a multi-station long-axis part, which comprises a transverse base, a longitudinal base arranged at the top of the transverse base, a plurality of clamping seats arranged at the top of the longitudinal base, and T-shaped sliding blocks fixedly connected to the bottoms of the clamping seats. The T-shaped sliding block is slidably connected to the interior of a T-shaped sliding groove formed in the longitudinal base, two air cylinders are fixedly installed on the outer side of the clamping base, two arc-shaped clamping blocks are arranged at the top of the clamping base, and ejector rods of the air cylinders penetrate through the clamping base and then are fixed to the arc-shaped clamping blocks. The multi-station positioning clamp for the long-axis parts solves the problems that when an existing multi-station clamp is used, only long-axis parts of the same shape are clamped, when the shapes of the long-axis parts are different, the multi-station clamp is not convenient to clamp the long-axis parts of different shapes, and the long-axis parts cannot be clamped conveniently. The clamping effect of the multi-station clamp is reduced, and the practicability is not high.

Description

TECHNICAL FIELD

[0001] The utility model relates to long shaft part positioning fixture technical field, concretely is a kind of positioning fixture for multi-station long shaft part. BACKGROUND

[0002] Long shaft part is usually used as shaft part in mechanical equipment, and bears functions such as power transmission and support rotating parts.

[0003] Multi-station fixture can process or operate one or more long shaft parts at the same time, which can improve production efficiency and reduce the clamping time of long shaft parts. However, the existing multi-station fixture is limited to clamping long shaft parts of the same shape. When the shapes of multiple long shaft parts are different, the multi-station fixture is not convenient for clamping multiple long shaft parts of different shapes, which reduces the clamping effect of the multi-station fixture and has low practicality.

[0004] Therefore, it is necessary to provide a new positioning fixture for multi-station long shaft parts to solve the above technical problems. SUMMARY

[0005] To solve the above technical problems, the utility model provides a positioning fixture for multi-station long shaft parts, which can clamp multiple long shaft parts of different shapes.

[0006] The positioning fixture for multi-station long shaft parts provided by the utility model includes a horizontal base, a vertical base is arranged on the top of the horizontal base, a plurality of clamping seats are arranged on the top of the vertical base, T-shaped sliding blocks are fixedly connected to the bottom of the clamping seats, and the T-shaped sliding blocks are slidingly connected inside T-shaped sliding grooves of the vertical base.

[0007] Two air cylinders are fixedly installed outside the clamping seats, two arc-shaped clamping blocks are arranged on the top of the clamping seats, the top rods of the air cylinders penetrate the clamping seats and are fixed on the arc-shaped clamping blocks, two U-shaped fixed blocks symmetrically distributed above and below are arranged on one side of the arc-shaped clamping block, a rubber block is arranged on one side of the arc-shaped clamping block, the top end and the bottom end of the rubber block are inserted into the U-shaped fixed blocks, a fixed bolt is arranged on one side of the U-shaped fixed block, and one end of the fixed bolt penetrates the insertion hole of the U-shaped fixed block and the rubber block in sequence and is screwed into the threaded groove inside the inner wall of the U-shaped fixed block.

[0008] In order to achieve the effect of installing the U-shaped fixing block on the arc-shaped clamping block, the utility model provides a positioning fixture for multi-station long shaft parts, preferably, one side of the U-shaped fixing block is fixedly connected with a mounting block, the mounting block is inserted into the mounting groove of the arc-shaped clamping block, a square recess is formed in the mounting block, a plurality of spring no.

[0009] In order to achieve the effect of limiting the movement of the square extrusion plate, the utility model provides a positioning fixture for multi-station long shaft parts, preferably, a square baffle is sleeved on the outside of the square recess and located outside the limiting plate, and the square baffle is fixedly connected with the inner wall of the square recess.

[0010] In order to achieve the effect of guiding the left and right movement of the arc-shaped clamping block, the utility model provides a positioning fixture for multi-station long shaft parts, preferably, two guide rods are fixed on the clamping seat, two translation blocks are slidably connected to the guide rods, and the top end of the translation block is fixedly connected with the bottom of the arc-shaped clamping block.

[0011] In order to achieve the effect of fixing the front and rear clamping seats on the top of the longitudinal base, the utility model provides a positioning fixture for multi-station long shaft parts, preferably, a circular recess is formed in the T-shaped sliding block, a spring no.

[0012] In order to achieve the effect of assembling the horizontal base and the longitudinal base more conveniently, the utility model provides a positioning fixture for multi-station long shaft parts, preferably, a plurality of assembly blocks are fixedly connected to the bottom of the longitudinal base, the assembly block is inserted into the assembly groove of the horizontal base, a screw is arranged on one side of the horizontal base, the outer side of the screw is locked with a nut after the screw passes through the through hole one of the horizontal base and the through hole two of the assembly block.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The multi-station positioning fixture for long shaft parts has the advantages that the arc-shaped clamping blocks can clamp and fix multiple long shaft parts with different shapes under the condition that the rubber blocks change in shape under the extrusion force, the clamping effect of the fixture is higher, the problem that the existing multi-station fixture is limited to clamping long shaft parts with the same shape and is inconvenient to clamp multiple long shaft parts with different shapes, and the clamping effect of the multi-station fixture is reduced and the practicality is not high are solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure diagram of the multi-station positioning fixture for long shaft parts is provided.

[0016] Figure 2 A structure diagram of the multi-station positioning fixture for long shaft parts is provided.

[0017] Figure 3 A structure diagram of the multi-station positioning fixture for long shaft parts is provided.

[0018] Figure 4 A structure diagram of the multi-station positioning fixture for long shaft parts is provided. Figure 3 An enlarged schematic view of the middle A position.

[0019] Figure 5 A structure diagram of the multi-station positioning fixture for long shaft parts is provided.

[0020] Figure 6 A structure diagram of the multi-station positioning fixture for long shaft parts is provided.

[0021] 1, horizontal base; 101, assembly groove; 102, screw; 103, through hole one; 104, nut; 2, longitudinal base; 201, circular limiting hole; 202, assembly block; 203, through hole two; 3, clamping seat; 301, air cylinder; 302, arc-shaped clamping block; 303, U-shaped fixed block; 304, rubber block; 305, fixed bolt; 306, jack; 307, threaded groove; 308, mounting block; 309, mounting groove; 310, square recess; 311, spring one; 312, square extrusion plate; 313, limiting plate; 314, square limiting hole; 315, square baffle; 316, guide rod; 317, translation block; 4, T-shaped sliding block; 401, circular recess; 402, spring two; 403, circular extrusion plate; 404, limiting rod; 405, circular baffle; 5, T-shaped sliding groove. DETAILED DESCRIPTION

[0022] The utility model will be further described in connection with the drawings and embodiments.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 ,Figure 4 、 Figure 5 and Figure 6 wherein Figure 1 is a structure diagram of the multi-station positioning fixture for long shaft parts provided by the present application; Figure 2 is a structure diagram of the longitudinal base and the clamping seat of the present application; Figure 3 is a structure diagram of the clamping seat of the present application; Figure 4 is an enlarged diagram of A in the present application; Figure 3 is an enlarged diagram of A in the present application; Figure 5 is a structure diagram of the arc-shaped clamping block of the present application; Figure 6 is a side view of the connection between the transverse base and the longitudinal base of the present application. A multi-station positioning fixture for long shaft parts comprises a transverse base 1, the top of the transverse base 1 is provided with a longitudinal base 2, the top of the longitudinal base 2 is provided with a plurality of clamping seats 3, the bottom of the clamping seat 3 is fixedly connected with a T-shaped sliding block 4, the T-shaped sliding block 4 is slidingly connected inside a T-shaped sliding groove 5 opened in the longitudinal base 2; the outer side of the clamping seat 3 is fixedly provided with two air cylinders 301, the top of the clamping seat 3 is provided with two arc-shaped clamping blocks 302, the top rod of the air cylinder 301 penetrates through the clamping seat 3 and is fixed on the arc-shaped clamping block 302, one side of the arc-shaped clamping block 302 is provided with two U-shaped fixed blocks 303 which are symmetrically distributed in an up-down manner, one side of the arc-shaped clamping block 302 is provided with a rubber block 304, the top end and the bottom end of the rubber block 304 are inserted into the U-shaped fixed block 303, one side of the U-shaped fixed block 303 is provided with a fixed bolt 305, one end of the fixed bolt 305 penetrates through the insertion hole 306 opened in the U-shaped fixed block 303 and the rubber block 304 in sequence and is screwed into the thread groove 307 inside the inner wall of the U-shaped fixed block 303.

[0024] Through the above technical scheme, the top of the transverse base 1 is provided with a plurality of longitudinal bases 2, the top of each longitudinal base 2 is provided with a plurality of clamping seats 3, the number of clamping seats 3 can be adjusted according to the length of the long shaft parts, so as to clamp a plurality of long shaft parts, the top end and the bottom end of the rubber block 304 are inserted into the U-shaped fixed block 303, the rubber block 304 and the U-shaped fixed block 303 are fixed together through the screwing of the fixed bolt 305 and the thread groove 307, then the long shaft parts are placed on the top of the clamping seat 3, the top rod of the air cylinder 301 drives the arc-shaped clamping block 302 to approach the long shaft parts, so that the rubber block 304 on one side of the arc-shaped clamping block 302 contacts the long shaft parts, at this time, the rubber block 304 abuts against the long shaft parts, the rubber block 304 deforms under the extrusion force from the long shaft parts, the shape of the rubber block 304 changes under different shapes of the long shaft parts, so as to clamp and fix the long shaft parts of different shapes, effectively improve the clamping effect of the positioning fixture, and the practicality is higher.

[0025] Referring to Figure 3 、 Figure 4 and Figure 5The installation block 308 is inserted into the installation slot 309 of the arc-shaped clamping block 302, a square recess 310 is arranged in the installation block 308, a plurality of spring 311 are fixed to the inner bottom wall of the square recess 310, a square extrusion plate 312 is fixedly connected to the top end of the spring 311, a limiting plate 313 is fixedly connected to the top of the square extrusion plate 312, the limiting plate 313 extends out of the top end of the square recess 310 and is inserted into a square limiting hole 314 arranged in the arc-shaped clamping block 302, after the U-shaped fixed block 303 and the rubber block 304 are fixed together, the installation block 308 on one side of the U-shaped fixed block 303 is inserted into the installation slot 309 of the arc-shaped clamping block 302, at this time, the limiting plate 313 in the square recess 310 is inserted into the square limiting hole 314 under the elastic action of the spring 311, the installation block 308 is fixed in the installation slot 309 through the cooperation of the limiting plate 313 and the square limiting hole 314, and then the U-shaped fixed block 303 and the arc-shaped clamping block 302 are fixed together.

[0026] With reference to Figure 4 A square baffle 315 is arranged in the square recess 310 and located outside the limiting plate 313, and the square baffle 315 is fixedly connected to the inner wall of the square recess 310, the square baffle 315 limits the movement of the square extrusion plate 312, so that the square extrusion plate 312 is prevented from moving outside the square recess 310 under the elastic action of the spring 311, and the square extrusion plate 312 normally moves in the square recess 310.

[0027] With reference to Figure 3 Two guide rods 316 are fixed to the clamping seat 3, two translation blocks 317 are slidably connected to the guide rods 316, the top ends of the translation blocks 317 are fixedly connected to the bottom of the arc-shaped clamping block 302, and when the arc-shaped clamping block 302 moves left and right, the translation blocks 317 on the guide rods 316 slide, so that the arc-shaped clamping block 302 is more stable during movement,

[0028] With reference to Figure 1The T-shaped sliding block 4 is internally provided with a circular groove 401, the inner wall of the circular groove 401 is fixedly connected with a spring 402, one end of the spring 402 is fixedly connected with a circular extrusion plate 403, the side of the circular extrusion plate 403 away from the spring 402 is fixedly connected with a limiting rod 404, a circular baffle 405 is sleeved inside the circular groove 401 and located outside the limiting rod 404, the outer side of the circular baffle 405 is fixedly connected with the inner wall of the circular groove 401, and one end of the limiting rod 404 extending out of the circular groove 401 is inserted into a circular limiting hole 201 formed in the longitudinal base 2. After the T-shaped sliding block 4 at the bottom of each clamping seat 3 slides into the T-shaped sliding groove 5, the limiting rod 404 in the T-shaped sliding block 4 at the bottom of the frontmost clamping seat 3 is inserted into the circular limiting hole 201 under the elastic action of the spring 402. The T-shaped sliding block 4 is fixed in the T-shaped sliding groove 5 through cooperation of the limiting rod 404 and the circular limiting hole 201, so that the frontmost clamping seat 3 can be fixed. Similarly, the last clamping seat 3 can be fixed. Through the fixation of the frontmost and last clamping seats 3, the two clamping seats 3 are not prone to random movement, so that the remaining clamping seats 3 are not prone to random movement, and the stability of the clamping seat 3 when clamping the long shaft part is effectively improved.

[0029] With reference to Figure 1 , Figure 2 and Figure 6 , the longitudinal base 2 is fixedly connected with a plurality of assembly blocks 202 at the bottom, the assembly blocks 202 are inserted into assembly grooves 101 formed in the transverse base 1, the transverse base 1 is provided with a screw 102 on one side, the outer side of the screw 102 is locked with a nut 104 after the screw 102 passes through a through hole one 103 formed in the transverse base 1 and a through hole two 203 formed in the assembly block 202. When the long shaft part needs to be clamped, the nut 104 is rotated and removed from the screw 102, and then the screw 102 is removed from the transverse base 1, so that the assembly block 202 and the assembly groove 101 can be separated, the transverse base 1 and the longitudinal base 2 can be disassembled and stored, and storage is more convenient. When in use, the assembly block 202 is inserted into the assembly groove 101 and fixed through screwing of the screw 102 and the nut 104, so that the transverse base 1 and the longitudinal base 2 can be assembled together, and disassembly of the transverse base 1 and the longitudinal base 2 is more convenient.

[0030] The implementation principle of the multi-station long shaft part positioning clamp is as follows: the top end and the bottom end of the rubber block 304 are respectively inserted into the U-shaped fixed block 303, the rubber block 304 and the U-shaped fixed block 303 are fixed together through the screw connection of the fixing bolt 305 and the threaded groove 307, then the long shaft part is placed on the top of the clamping seat 3, the top rod of the air cylinder 301 drives the arc-shaped clamping block 302 to approach the long shaft part, the rubber block 304 on one side of the arc-shaped clamping block 302 is in contact with the long shaft part, at this time, the rubber block 304 is in abutment with the long shaft part, the rubber block 304 is deformed under the extrusion force from the long shaft part, the shape of the rubber block 304 under different shapes of the long shaft part is different, so that the clamping and fixing of the long shaft part with different shapes are realized, the clamping effect of the positioning clamp is effectively improved, and the practicality is higher.

[0031] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the components known by the person skilled in the art are known or obtained through conventional experimental methods.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for multi-station long shaft parts, characterized in that: It includes a horizontal base (1), a vertical base (2) is provided on the top of the horizontal base (1), a plurality of clamping seats (3) are provided on the top of the vertical base (2), and a T-shaped slider (4) is fixedly connected to the bottom of the clamping seat (3). The T-shaped slider (4) is slidably connected inside the T-shaped groove (5) opened in the vertical base (2). Two cylinders (301) are fixedly installed on the outside of the clamping seat (3). Two arc-shaped clamping blocks (302) are provided on the top of the clamping seat (3). The top rod of the cylinder (301) passes through the clamping seat (3) and is fixed on the arc-shaped clamping block (302). Two U-shaped fixing blocks (303) are provided on one side of the arc-shaped clamping block (302) in a symmetrical arrangement. A rubber block (304) is provided on one side of the arc-shaped clamping block (302). The top and bottom ends of the rubber block (304) are inserted into the U-shaped fixing block (303). A fixing bolt (305) is provided on one side of the U-shaped fixing block (303). One end of the fixing bolt (305) passes through the insertion hole (306) opened in the U-shaped fixing block (303) and the rubber block (304) in sequence and is screwed into the threaded groove (307) opened on the inner side wall of the U-shaped fixing block (303).

2. The positioning fixture for multi-station long shaft parts according to claim 1, characterized in that: A mounting block (308) is fixedly connected to one side of the U-shaped fixing block (303). The mounting block (308) is inserted into the mounting groove (309) opened in the arc-shaped clamping block (302). A square groove (310) is opened inside the mounting block (308). Several springs (311) are fixed to the bottom wall of the square groove (310). A square extrusion plate (312) is fixedly connected to the top of the springs (311). A limiting plate (313) is fixedly connected to the top of the square extrusion plate (312). The limiting plate (313) extends out of the square groove (310) and the top of the limiting plate (313) is inserted into the square limiting hole (314) opened in the arc-shaped clamping block (302).

3. A positioning fixture for multi-station long shaft parts according to claim 2, characterized in that: A square baffle (315) is fitted inside the square groove (310) and outside the limiting plate (313), and the outer side of the square baffle (315) is fixedly connected to the inner wall of the square groove (310).

4. A positioning fixture for multi-station long shaft parts according to claim 1, characterized in that: Two guide rods (316) are fixed on the clamping seat (3), and two translation blocks (317) are slidably connected on the guide rods (316). The top of the translation block (317) is fixedly connected to the bottom of the arc-shaped clamping block (302).

5. A positioning fixture for multi-station long shaft parts according to claim 1, characterized in that: The T-shaped slider (4) has a circular groove (401) inside. A spring (402) is fixedly connected to the inner wall of the circular groove (401). A circular extrusion plate (403) is fixedly connected to one end of the spring (402). A limit rod (404) is fixedly connected to the side of the circular extrusion plate (403) away from the spring (402). A circular baffle (405) is sleeved inside the circular groove (401) and outside the limit rod (404). The outer side of the circular baffle (405) is fixedly connected to the inner wall of the circular groove (401). One end of the limit rod (404) extends out of the circular groove (401) and is inserted into the circular limit hole (201) opened in the longitudinal base (2).

6. A positioning fixture for multi-station long shaft parts according to claim 1, characterized in that: The bottom of the longitudinal base (2) is fixedly connected with several assembly blocks (202). The assembly blocks (202) are inserted into the assembly slots (101) opened in the transverse base (1). A screw (102) is provided on one side of the transverse base (1). One end of the screw (102) passes through the through hole one (103) opened in the transverse base (1) and the through hole two (203) opened in the assembly block (202), and a nut (104) is locked on its outer side.

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