CN214923376U - Nine ball graduation main shaft ball socket honing anchor clamps - Google Patents

Abstract

The utility model discloses a nine ball graduation main shaft ball socket honing anchor clamps, go up casing (1) including open-top, the opening part of going up casing (1) is equipped with end cover (2), upward be equipped with driving wheel axle (3) in casing (1), be equipped with driving gear (4) on driving wheel axle (3), the upper end and end cover (2) of driving wheel axle (3) rotate to be connected, the lower extreme and last casing (1) of driving wheel axle (3) rotate to be connected, the outside of driving wheel axle (3) is equipped with nine driven shaft (5), be equipped with on driven shaft (5) with driving gear (4) meshed driven gear (13), the upper end and end cover (2) of driven shaft (5) rotate to be connected, the lower extreme of driven shaft (5) passes casing (1), the lower extreme of driven shaft (5) passes through connecting rod (6) and connects spheroidal honing head (7). The utility model has the advantages of can make the grinding efficiency of main shaft ball socket higher, the position degree precision is higher and the uniformity is better.

Description

Nine ball graduation main shaft ball socket honing anchor clamps

Technical Field

The utility model belongs to a main shaft ball socket adds clamping apparatus field of plunger pump especially relates to a nine ball graduation main shaft ball sockets honing anchor clamps of plunger pump.

Background

The plunger pump is internally provided with a nine-ball indexing main shaft (a main shaft for short), the end face of the main shaft is provided with nine ball sockets which are circumferentially distributed, the precision requirement of the ball sockets is high, the ball sockets are required to be ground, the vertical drilling machine is adopted for single-hole indexing grinding at present, only one ball socket can be ground in each indexing, nine times of grinding are needed, and the grinding efficiency is low. The indexing accuracy of the vertical drilling machine is poor, the offset degree of the position degree of the ball socket can be increased by indexing each time, and the position degree accuracy of the ground ball socket is low. The grinding time of the ball sockets is controlled by workers, the grinding time of some ball sockets is long, the grinding time of other ball sockets is short, so that the grinding effects (including the size of the ball diameter, the profile degree, the roughness and the like) among the ball sockets are inconsistent, the consistency of the ball sockets is poor, and the stability of the product quality is reduced. Therefore, the existing vertical drilling machine has the defects of low grinding efficiency, low accuracy of the position degree of the obtained ball socket and poor consistency of the obtained ball socket.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nine ball graduation main shaft ball sockets honing anchor clamps. The utility model has the advantages of can make the grinding efficiency of main shaft ball socket higher, the position degree precision is higher and the uniformity is better.

The technical scheme of the utility model: a nine-ball indexing main shaft ball socket honing fixture comprises an upper shell with an opening at the top, an end cover is arranged at the opening of the upper shell, a driving wheel shaft is arranged in the upper shell, a driving gear is arranged on the driving wheel shaft, the upper end of the driving wheel shaft is rotatably connected with the end cover, the lower end of the driving wheel shaft is rotatably connected with the upper shell, nine driven wheel shafts are arranged on the outer side of the driving wheel shaft, driven gears meshed with the driving gear are arranged on the driven wheel shafts, the upper end of the driven wheel shaft is rotatably connected with the end cover, the lower end of the driven wheel shaft penetrates through the upper shell, and the lower end of the driven wheel shaft is connected with a spherical honing head through a connecting rod.

In the nine-ball indexing main shaft ball socket honing fixture, the connecting rod comprises an outer pipe connected with the driven wheel shaft, a spring is arranged in the outer pipe, an inner rod extending out of the outer pipe is arranged on the lower side of the spring, a sliding groove hole is formed in the outer pipe, and a sliding block fixed with the inner rod is arranged in the sliding groove hole.

The nine-ball indexing main shaft ball socket honing fixture further comprises a main shaft positioning sleeve positioned below the honing head, a hollow inner ball sliding seat is arranged at the upper end of the main shaft positioning sleeve, a middle ring and an outer ball sliding seat are sequentially arranged on the inner side of the inner ball sliding seat, the middle ring is in ball hinge joint with the outer ball sliding seat, and a positioning hole is formed in the outer ball sliding seat.

In the nine-ball indexing main shaft ball socket honing fixture, a base box body is arranged at the bottom of a main shaft positioning sleeve, a motor is arranged in the base box body, an output end of the motor upwards penetrates through the base box body and extends into the main shaft positioning sleeve, a rotating arm is hinged to the output end of the motor, a guide rod is arranged on the rotating arm, a sliding block is sleeved on the guide rod, a pin shaft is connected to the upper end of the sliding block, the pin shaft is connected with a conversion flange through a bearing, and the conversion flange is connected with an outer ball sliding seat through a tubular connecting rod.

Compared with the prior art, the utility model discloses on have nine honing heads, can grind leading epaxial nine ball sockets simultaneously to make the grinding efficiency of main shaft ball socket increase. The utility model discloses only need once fix a position and just can accomplish the grinding of all ball sockets on the main shaft, do not need the transposition at the completion to the ball socket position degree precision that the messenger ground the formation is higher. The utility model discloses a nine honing heads grind nine ball sockets simultaneously, and the grinding time that every ball socket obtained on the main shaft is the same to the grinding effect of every ball socket is the same or close, and the uniformity of ball socket is good, leads to product quality stability better. Therefore, the utility model has the advantages of can make the grinding efficiency of main shaft ball socket higher, the position degree precision is higher and the uniformity is better.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is an enlarged view of fig. 1A.

Fig. 3 is a schematic structural view of the connecting rod at the junction of the outer tube and the inner rod.

The labels in the figures are: 1-upper shell, 2-end cover, 3-driving wheel shaft, 4-driving gear, 5-driven wheel shaft, 6-connecting rod, 7-honing head, 8-main shaft positioning sleeve, 9-inner ball sliding seat, 10-middle ring, 11-outer ball sliding seat, 12-positioning hole, 13-driven gear, 14-base box, 15-motor, 16-rotating arm, 17-guide rod, 18-sliding block, 19-pin shaft, 20-bearing, 21-conversion flange, 22-connecting rod, 61-outer tube, 62-inner rod, 63-sliding groove hole, 64-sliding block and 65-spring.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. A nine-ball indexing main shaft ball socket honing fixture is shown in figures 1 and 2 and comprises an upper shell 1 with an opening at the top, an end cover 2 is arranged at the opening of the upper shell 1, a driving wheel shaft 3 is arranged in the upper shell 1, a driving gear 4 is arranged on the driving wheel shaft 3, the upper end of the driving wheel shaft 3 is rotatably connected with the end cover 2, the lower end of the driving wheel shaft 3 is rotatably connected with the upper shell 1, nine driven wheel shafts 5 which are uniformly distributed are arranged on the outer side of the driving wheel shaft 3, a driven gear 13 meshed with the driving gear 4 is arranged on the driven wheel shaft 5, the upper end of the driven wheel shaft 5 is rotatably connected with the end cover 2, the lower end of the driven wheel shaft 5 penetrates through the upper shell 1, and the lower end of the driven wheel shaft 5 is connected with a spherical honing head 7 through a connecting rod 6.

The driven gears 13 are nine in total, the driven gears are distributed in three layers in height, each layer is three, mutual interference between the driven gears 13 on the same layer is avoided, 20CrMnTi carburization is selected as a material, the hardness HRC 56-62 is adopted, the service life of the driven gears 13 is effectively guaranteed, the driven gears 13 adopt 1.25 modules, 35 teeth, the pressure angle is 20 degrees, the gear pair center distance is 45mm, the effective tooth length is 10mm, the space of the upper shell 1 is fully considered, the gear precision grade is 6 grade, the service life is effectively guaranteed, and less noise is effectively avoided. The design of the driving gear 4 adopts 1.25 modulus, 37 teeth, 20 degrees of pressure angle, 36mm of effective tooth length, 45mm of gear pair center distance and 6-level gear precision grade design, so that the service life of the gear and smaller noise are effectively ensured.

The connecting rod 6 comprises an outer tube 61 connected with the driven wheel shaft 5, the outer tube 61 is connected with the driven wheel shaft 5 through a coupler, a spring 65 is arranged in the outer tube 61, an inner rod 62 extending out of the outer tube 61 is arranged on the lower side of the spring 65, a sliding groove hole 63 is formed in the outer tube 61, and a sliding block 64 fixed with the inner rod 62 is arranged in the sliding groove hole 63. Due to the structure of the connecting rod, the honing head 7 can be elastically abutted against the corresponding ball socket, and the grinding effect of the ball socket is improved.

The honing tool further comprises a main shaft positioning sleeve 8 positioned below the honing head 7, a hollow inner ball sliding seat 9 is arranged at the upper end of the main shaft positioning sleeve 8, a middle ring 10 and an outer ball sliding seat 11 are sequentially arranged on the inner side of the inner ball sliding seat 9, the middle ring 10 is in ball hinge connection with the outer ball sliding seat 11, and a positioning hole 12 is formed in the outer ball sliding seat 11.

The bottom of the main shaft positioning sleeve 8 is provided with a base box body 14, the main shaft positioning sleeve 8 is fixed with the base box body 14, a motor 15 is arranged in the base box body 14, the output end of the motor 15 upwards penetrates through the base box body 14 and extends into the main shaft positioning sleeve 8, the output end of the motor 15 is hinged with a rotating arm 16, the gravity center of the rotating arm 16 is located on one side of the output shaft of the motor, a guide rod 17 is arranged on the rotating arm 16, a sliding block 18 is sleeved on the guide rod 17, the upper end of the sliding block 18 is connected with a pin shaft 19, the pin shaft 19 is connected with a conversion flange 21 through a bearing 20, and the conversion flange 21 is connected with an outer ball sliding seat 11 through a tubular connecting rod 22.

The working principle is as follows: the end cover 2 is fixed on a cantilever of the vertical drilling machine, the driving wheel shaft 3 is clamped in a shaft cone hole of a driving shaft of the vertical drilling machine, and the main shaft is inserted into the positioning hole 12. The vertical drilling machine drives the driving wheel shaft 3 to rotate, the driving wheel shaft 3 drives the driven gear 13 to rotate through the driving gear 4, and the driven gear 13 drives the connecting rod 6 to drive the honing head 7 to rotate through the driven wheel shaft 5. The height of the driving shaft of the vertical drilling machine is reduced, and the nine honing heads 7 respectively enter the nine ball sockets to grind the ball sockets.

The motor 15 drives the rotating arm 16 to rotate, the center of gravity of the rotating arm 16 is not on the output shaft of the motor 15, the rotating arm 16 can swing up and down in the rotating process, the rotating arm 16 drives the guide rod 17 to swing up and down, the sliding block 18 can move back and forth on the guide rod 17, the guide rod 17 drives the outer ball sliding seat 11 to swing through the sliding block 18, the pin shaft 19, the bearing 20, the conversion flange 21 and the connecting rod 22, and the main shaft correspondingly swings, so that the ball socket on the main shaft is ground more comprehensively. As the main shaft swings, the length of the connecting rod 6 also changes, and the honing head 7 always abuts against the corresponding ball socket under the action of the spring 65.

The utility model has the advantages of can make the grinding efficiency of main shaft ball socket higher, the position degree precision is higher and the uniformity is better.

Claims (3)

1. The utility model provides a nine ball graduation main shaft ball socket honing anchor clamps which characterized in that: the honing tool comprises an upper shell (1) with an opening at the top, an end cover (2) is arranged at an opening of the upper shell (1), a driving wheel shaft (3) is arranged in the upper shell (1), a driving gear (4) is arranged on the driving wheel shaft (3), the upper end of the driving wheel shaft (3) is rotatably connected with the end cover (2), the lower end of the driving wheel shaft (3) is rotatably connected with the upper shell (1), nine driven wheel shafts (5) are arranged on the outer side of the driving wheel shaft (3), a driven gear (13) meshed with the driving gear (4) is arranged on the driven wheel shafts (5), the upper end of each driven wheel shaft (5) is rotatably connected with the end cover (2), the lower end of each driven wheel shaft (5) penetrates through the upper shell (1), and the lower end of each driven wheel shaft (5) is connected with a spherical honing head (7) through a connecting rod (6).

2. The nine-ball indexing spindle ball and socket honing jig of claim 1, wherein: the connecting rod (6) comprises an outer tube (61) connected with the driven wheel shaft (5), a spring (65) is arranged in the outer tube (61), an inner rod (62) extending out of the outer tube (61) is arranged on the lower side of the spring (65), a sliding groove hole (63) is formed in the outer tube (61), and a sliding block (64) fixed with the inner rod (62) is arranged in the sliding groove hole (63).

3. The nine-ball indexing spindle ball and socket honing jig of claim 1, wherein: the honing tool also comprises a main shaft positioning sleeve (8) positioned below the honing head (7), a hollow inner ball sliding seat (9) is arranged at the upper end of the main shaft positioning sleeve (8), a middle ring (10) and an outer ball sliding seat (11) are sequentially arranged on the inner side of the inner ball sliding seat (9), the middle ring (10) is in ball hinge joint with the outer ball sliding seat (11), and a positioning hole (12) is formed in the outer ball sliding seat (11).

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