CN216370220U

CN216370220U - Swash plate clamp

Info

Publication number: CN216370220U
Application number: CN202122511719.XU
Authority: CN
Inventors: 张武让; 吴琳方
Original assignee: Zhejiang Lingben Machinery & Electronics Co ltd
Current assignee: Zhejiang Lingben Machinery & Electronics Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-26
Anticipated expiration: 2031-10-18

Abstract

The utility model belongs to the technical field of machining, and particularly relates to a swash plate clamp which comprises a three-jaw chuck consisting of a chuck body, movable clamping jaws and a clamping jaw driving mechanism, wherein a clamping device is arranged on the three-jaw chuck and comprises a first clamping block, a second clamping block and a third clamping block which are respectively arranged on the movable clamping jaws, an arc-shaped groove I, an arc-shaped groove II and an arc-shaped groove III are respectively arranged on the first clamping block, the second clamping block and the third clamping block, the first arc-shaped groove, the second arc-shaped groove and the third arc-shaped groove are matched to form a clamping groove matched with a swash plate, and the inclination angle alpha of the clamping groove is equal to the inclination angle beta of an inclined plane. The utility model is convenient for clamping, effectively reduces the working strength of operators and improves the production efficiency.

Description

Swash plate clamp

The technical field is as follows:

the utility model belongs to the technical field of machining, and particularly relates to a swash plate clamp.

Background art:

the inclined disc type axial plunger pump consists of an inclined disc, a plunger, a combined body, a valve plate and a transmission shaft, wherein an inclined angle is formed between a cylinder body and the inclined disc. The plungers are uniformly distributed in the cylinder body, and the heads of the plungers are tightly pressed on the swash plate through a spring return mechanism and the action of oil pressure. The transmission shaft drives the cylinder body to rotate through a spline, and the swash plate and the port plate are fixed. When the transmission shaft can rotate in the anticlockwise direction (seen from left to right), the plunger not only rotates along with the cylinder body, but also makes reciprocating linear motion in the plunger hole of the cylinder body. When the transmission shaft and the cylinder body rotate once, each plunger finishes sucking and pressing oil once; as the cylinder rotates continuously, the plunger continuously draws oil and presses oil. If the inclination angle of the swash plate is changed, the reciprocating stroke of the plunger can be changed, namely the displacement of the pump can be changed, and the variable swash plate type axial plunger pump is formed; if the direction of the inclined angle of the inclined plate is changed, the direction of sucking and pressing oil can be changed, and the bidirectional variable inclined plate type axial plunger pump can be formed.

As shown in fig. 1 and 2, the swash plate comprises a swash plate part 2 with an inclined surface 1 and a rotating shaft part 3, wherein one end of the swash plate part 2 close to the rotating shaft part 3 is provided with a limiting hole 4, the inclined surface 1 is difficult to process because the inclined surface 1 is inclined, and if a numerical control milling machine is adopted for processing, the processing cost is high. The existing swash plate is usually fixed on a lathe with an inclined plane through screws, so that the clamping is inconvenient, the time is long, the working strength is high for operators, and the efficiency is low.

The utility model content is as follows:

the utility model aims to provide a swash plate clamp which is convenient to clamp, effectively reduces the working strength of operators and improves the production efficiency.

The utility model is realized by the following steps:

the utility model provides a sloping cam plate anchor clamps, includes the three-jaw chuck of compriseing chuck body, activity jack catch and jack catch actuating mechanism, is equipped with the clamping device on the three-jaw chuck, the clamping device is including setting up clamp splice one, clamp splice two and the clamp splice three on the activity jack catch respectively, is equipped with arc recess one, arc recess two and arc recess three on clamp splice one, clamp splice two and the clamp splice three respectively, and arc recess one, arc recess two and the cooperation of arc recess three form with sloping cam plate looks adaptation's clamping groove, the inclination alpha in clamping groove equals the inclination beta on inclined plane.

In the swash plate fixture, the movable clamping jaws of the first fixed clamping block are fixed, and the other two movable clamping jaws respectively drive the second clamping block and the third clamping block to be close to or far away from the first clamping block.

In the swash plate fixture, the clamping device is eccentrically cut into the first clamping block, the second clamping block and the third clamping block, the areas of the second clamping block and the third clamping block are equal and smaller than the area of the first clamping block, and the included angle between the cutting lines is 120 degrees.

In the swash plate fixture, the first clamping block, the second clamping block and the third clamping block are respectively provided with a first arc recess, a second arc recess and a third arc recess, the first arc recess, the second arc recess and the third arc recess are matched to form a clamping hole matched with the rotating shaft part, and the inclination angle gamma of the clamping hole is equal to the inclination angle beta of the inclined plane.

In the above swash plate fixture, the first clamping block is provided with a limit pin matched with the limit hole.

In the above swash plate fixture, a sliding groove is formed in the first clamping block, and the limiting pin comprises an installation part arranged in the sliding groove in a sliding manner and a pin arranged on the installation part.

In the above swash plate fixture, the first clamping block is screwed with a locking screw of the locking mounting part, and a nut of the locking screw is pressed on the mounting part.

In the swash plate fixture, the first clamping block, the second clamping block and the third clamping block are respectively fixed at the inner ends of the movable clamping jaws through fixing screws.

Compared with the prior art, the utility model has the outstanding advantages that:

1. the movable clamping jaws drive the clamping device to clamp the swash plate, so that the clamping is convenient, the clamping device is suitable for batch processing, the working intensity of operators is effectively reduced, and the production efficiency is improved;

2. the movable clamping jaws of the first fixed clamping block are fixed, and the other two movable clamping jaws respectively drive the second clamping block and the third clamping block to be close to or far away from the first clamping block, so that the clamping is facilitated;

3. the clamping device is eccentrically cut into a first clamping block, a second clamping block and a third clamping block, the area of the first clamping block is larger than that of the second clamping block and that of the third clamping block, the included angle between cutting lines is 120 degrees, and over-positioning is effectively avoided;

4. the first clamping block is provided with a limiting pin matched with the limiting hole, so that the clamping position of the swash plate is positioned, and the machining error is reduced;

5. the first clamping block is provided with a sliding groove, the limiting pin comprises an installation part arranged in the sliding groove in a sliding mode and a pin arranged on the installation part, and the position of the pin can be adjusted by adjusting the position of the installation part in the sliding groove.

Description of the drawings:

FIG. 1 is a perspective view of the swash plate of the present invention;

FIG. 2 is a left side view of the swashplate of the present invention;

FIG. 3 is a perspective view of the present invention;

FIG. 4 is a left side view of the clamping assembly and swash plate of the present invention;

FIG. 5 is a perspective view of the clamping assembly of the present invention;

figure 6 is a cross-sectional view of the clamping device of the present invention.

Reference numerals: 1. a bevel; 2. a swash plate portion; 3. a rotating shaft part; 4. a limiting hole; 11. a chuck body; 12. a movable jaw; 13. a first clamping block; 131. a first arc-shaped groove; 132. the first arc-shaped recess; 133. a chute; 14. a second clamping block; 141. a second arc-shaped groove; 142. an arc-shaped recess II; 15. a third clamping block; 151. an arc-shaped groove III; 152. a third arc-shaped recess; 16. a spacing pin; 161. an installation part; 162. a pin; 17. locking the screw; 18. and fixing the screw.

The specific implementation mode is as follows:

the utility model will now be further described by way of specific examples, with reference to figures 1 to 6:

the utility model provides a sloping cam plate anchor clamps, includes the three-jaw chuck of compriseing chuck body 11, movable jack catch 12 and jack catch actuating mechanism, is equipped with the clamping device on the three-jaw chuck, the clamping device is including setting up clamp splice one 13, clamp splice two 14 and clamp splice three 15 on movable jack catch 12 respectively, is equipped with arc recess one 131, arc recess two 141 and arc recess three 151 on clamp splice one 13, clamp splice two 14 and the clamp splice three 15 respectively, and the cooperation of arc recess one 131, arc recess two 141 and arc recess three 151 forms the clamping groove with sloping cam plate portion 2 looks adaptation, the inclination alpha in clamping groove equals the inclination beta of inclined plane 1.

This implement neotype theory of operation: as shown in fig. 1-6, the three-jaw chuck is fixed on the lathe, the jaw driving mechanism drives the movable jaws 12 to move inwards or outwards, the clamping device clamps or releases the swash plate, the first arc-shaped groove 131, the second arc-shaped groove 141 and the third arc-shaped groove 151 are matched to form a clamping groove matched with the swash plate part 2, the inclination angle alpha of the clamping groove is equal to the inclination angle beta of the inclined plane 1, and the swash plate is inclined relative to the lathe tool, so that the inclined plane 1 can be machined. The movable clamping jaws 12 drive the clamping swash plate of the clamping device, so that the clamping is convenient, the clamping device is suitable for batch processing, the working intensity of operators is effectively reduced, and the production efficiency is improved; and the processing cost is low by using a lathe for processing.

In order to facilitate clamping, the movable clamping jaws 12 of the fixed clamping block I13 are fixed, and the other two movable clamping jaws 12 respectively drive the clamping block II 14 and the clamping block III 15 to be close to or far away from the clamping block I13.

In order to avoid over-positioning, as shown in fig. 5, the clamping device is eccentrically cut into a first clamping block 13, a second clamping block 14 and a third clamping block 15, the areas of the second clamping block 14 and the third clamping block 15 are equal and are smaller than the area of the first clamping block 13, and the included angle between the cutting lines is 120 degrees.

In order to further clamp the swash plate, as shown in fig. 4 to 6, the first clamping block 13, the second clamping block 14 and the third clamping block 15 are respectively provided with a first arc-shaped recess 132, a second arc-shaped recess 142 and a third arc-shaped recess 152, the first arc-shaped recess 132, the second arc-shaped recess 142 and the third arc-shaped recess 152 are matched to form a clamping hole matched with the rotating shaft part 3, and the inclination angle γ of the clamping hole is equal to the inclination angle β of the inclined surface 1.

In order to position the clamping position of the swash plate and reduce machining errors, a limiting pin 16 matched with the limiting hole 4 is arranged on the first clamping block 13.

Furthermore, a sliding groove 133 is formed in the first clamping block 13, the limiting pin 16 includes an installation portion 161 slidably disposed in the sliding groove 133 and a pin 162 disposed on the installation portion 161, and the position of the pin 162 can be adjusted by adjusting the position of the installation portion 161 in the sliding groove 133.

Locking structure of the mounting portion 161: as shown in fig. 5, the clamp block one 13 is screwed with a locking screw 17 for locking the mounting portion 161, and a nut of the locking screw 17 is pressed on the mounting portion 161, so that the structure is simple, and the position of the mounting portion 161 can be conveniently adjusted.

The fixing modes of the first clamping block 13, the second clamping block 14 and the third clamping block 15 are as follows: the first clamping block 13, the second clamping block 14 and the third clamping block 15 are respectively fixed at the inner end of the movable clamping jaw 12 through the fixing screw 18, and the clamping jaw structure is simple in structure and firm and reliable in fixation.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a sloping cam plate anchor clamps, includes the three-jaw chuck of constituteing by chuck body (11), activity jack catch (12) and jack catch actuating mechanism, its characterized in that: be equipped with the clamping device on the three-jaw chuck, the clamping device is equipped with arc recess one (131), arc recess two (141) and arc recess three (151) on clamp splice one (13), clamp splice two (14) and clamp splice three (15) respectively including setting up clamp splice one (13), clamp splice three (15) on movable jack catch (12), arc recess one (131), arc recess two (141) and arc recess three (151) cooperation formation and sloping cam plate portion (2) looks adaptation clamping groove, the inclination in clamping groove equals the inclination in inclined plane (1).

2. A swash plate clamp as claimed in claim 1, wherein: the movable clamping jaws (12) of the fixed clamping block I (13) are fixed, and the other two movable clamping jaws (12) respectively drive the clamping block II (14) and the clamping block III (15) to be close to or far away from the clamping block I (13).

3. A swash plate clamp as claimed in claim 2, wherein: the clamping device is eccentrically cut into a first clamping block (13), a second clamping block (14) and a third clamping block (15), and the areas of the second clamping block (14) and the third clamping block (15) are equal and smaller than the area of the first clamping block (13).

4. A swash plate clamp as claimed in claim 1, wherein: the clamping block I (13), the clamping block II (14) and the clamping block III (15) are respectively provided with an arc-shaped sunken I (132), an arc-shaped sunken II (142) and an arc-shaped sunken III (152), the arc-shaped sunken I (132), the arc-shaped sunken II (142) and the arc-shaped sunken III (152) are matched to form a clamping hole matched with the rotating shaft part (3), and the inclination angle of the clamping hole is equal to the inclination angle of the inclined plane (1).

5. A swash plate clamp as claimed in claim 1, wherein: and a limiting pin (16) matched with the limiting hole (4) is arranged on the first clamping block (13).

6. The swash plate clamp of claim 5, wherein: be equipped with spout (133) on clamp splice (13), spacer pin (16) are including smooth installation department (161) of establishing in spout (133) and pin (162) of setting on installation department (161).

7. The swash plate clamp of claim 5, wherein: and the first clamping block (13) is screwed with a locking screw (17) of the locking mounting part (161), and the nut of the locking screw (17) is pressed on the mounting part (161).

8. A swash plate clamp as claimed in claim 1, wherein: the first clamping block (13), the second clamping block (14) and the third clamping block (15) are respectively fixed at the inner ends of the movable clamping jaws (12) through fixing screws (18).