CN214770590U

CN214770590U - Bearing housing adds clamping apparatus

Info

Publication number: CN214770590U
Application number: CN202121495503.2U
Authority: CN
Inventors: 郭海涛; 王建
Original assignee: Shandong Youxing Hydraulic Technology Co ltd
Current assignee: Shandong Youxing Hydraulic Technology Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-11-19
Anticipated expiration: 2031-07-02

Abstract

The utility model relates to a bearing shell machining clamp, which belongs to the field of clamps; the utility model relates to a bearing shell machining clamp, which comprises a base, a positioning mechanism and a clamping mechanism, wherein the middle part of the base is provided with a groove, and a bottom plate is arranged below the base; the positioning mechanism comprises two groups of thread sleeves and bolts; the clamping mechanism comprises a pressure plate; still include adjustment mechanism, adjustment mechanism sets up in the below of slot, and is located between two swivel nuts, and adjustment mechanism is fixed on the base including revolving the pivot of piece, connecting rod and extension spring, revolves the both ends of piece and is connected to two swivel nuts through the connecting rod respectively, and connecting rod one end articulates in revolving the piece, and the other end fixed connection of connecting rod is in the swivel nut, and the one end of extension spring is connected on base or bottom plate, and the one end at revolving the piece is connected to the other end of extension spring. The utility model discloses a bearing housing anchor clamps to prior art do not have the not enough of commonality, provide a bearing housing adds clamping apparatus.

Description

Bearing housing adds clamping apparatus

Technical Field

The utility model relates to an anchor clamps field, concretely relates to bearing housing adds clamping apparatus.

Background

In the production process of the bearing shell, a casting forming mode is generally adopted, a casting mold is firstly used for casting a blank piece, the inner hole of the bearing shell of the blank piece has certain error due to the aperture size of the inner hole, further finish machining operation must be carried out on the inner hole of the bearing shell, and in order to ensure the machining precision of the inner hole of the bearing shell, the bearing shell needs to be firmly fixed on a machine tool by using a clamp. When the bearing shell is fixed, the bearing shell position needs to be repeatedly adjusted on a machine tool according to the reference, and the alignment and clamping method is long in time consumption, low in efficiency and low in positioning accuracy.

Authorizing notice number is CN 213104611U's a bearing housing's bore hole adds clamping apparatus, discloses a bearing housing's bore hole adds clamping apparatus, includes: a boring jig base; the positioning mechanism comprises a supporting plate and a positioning pin, the lower part of the positioning pin is matched and arranged in the positioning hole of the supporting plate, and the upper part of the positioning pin is suitable for being in positioning connection with two screw holes in the bottom surface of the bearing shell; and the clamping mechanism comprises two hinge supports, two screws and a pressing plate, one end of the pressing plate is hinged with one screw, the other end of the pressing plate is provided with a strip-shaped opening, the other screw penetrates through the strip-shaped opening and is connected with a hexagon nut, and the pressing plate is suitable for fixing the bearing shell on the boring die base from the upper part. The machining clamp realizes rapid positioning and clamping of workpieces. However, the jig is applicable only to a bearing housing of one specification, and is not universal to bearing housings of different specifications.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that bearing housing anchor clamps do not have the not enough of commonality to prior art provides a bearing housing adds clamping apparatus.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a bearing shell machining clamp comprises a base, a positioning mechanism and a clamping mechanism and is characterized in that a groove is formed in the middle of the base, and a horizontal bottom plate is connected to the position, corresponding to the groove, below the base; the positioning mechanism comprises two groups of threaded sleeves and bolts, the threaded sleeves are arranged in the grooves in a penetrating and matching mode, the two ends of each threaded sleeve extend out of the base, and the bottom ends of the threaded sleeves are supported on the bottom plate; the clamping mechanism comprises a pressing plate, screw rods penetrate through two ends of the pressing plate, the bottom end of each screw rod is fixedly connected to the base, and nuts are screwed on the screw rods above the pressing plate;

still include adjustment mechanism, adjustment mechanism sets up in the below of slot, and is located between two swivel nuts, and adjustment mechanism is fixed on the base including revolving the pivot of piece, connecting rod and extension spring, revolves the both ends of piece and is connected to two swivel nuts through the connecting rod respectively, and connecting rod one end articulates in revolving the piece, and the other end fixed connection of connecting rod is in the swivel nut, and the one end of extension spring is connected on base or bottom plate, and the one end at revolving the piece is connected to the other end of extension spring.

Preferably, the pressing plate is provided with a v-shaped groove.

Preferably, the rotating shaft of the rotary block is collinear with the two threaded sleeves, the distance between the two threaded sleeves and the rotating shaft is equal, and the hinged point at the two ends of the rotary block is collinear with the rotating shaft.

Preferably, the vertex of the v-shaped groove vertically corresponds to the position of the rotating shaft of the rotating block.

Preferably, a push rod is fixedly connected to the rotary block.

The utility model has the advantages that: the utility model realizes the accurate positioning of the bearing shell by arranging the positioning mechanism and the clamping mechanism, and has good fastening effect; through setting up adjustment mechanism, realize that the interval of two swivel nuts can be adjusted, can be applicable to the bearing housing of different specifications, the commonality is good.

Drawings

FIG. 1 is a partially cut-away schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of an adjusting mechanism of the present invention;

fig. 3 is a schematic structural view of another use state of the adjusting mechanism of the present invention;

in the figure: 1. the device comprises a base, 11 grooves, 2 bottom plates, 3 adjusting mechanisms, 31 rotating blocks, 32 tension springs, 33 connecting rods, 34 push rods, 4 threaded sleeves, 5 bolts, 6 pressing plates, 7 screws and 8 bearing shells.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration purposes only and are not intended to limit the scope of the present invention.

As shown in fig. 1, the bearing housing machining fixture of the embodiment includes a base 1, a positioning mechanism and a clamping mechanism, and is characterized in that a groove 11 is formed in the middle of the base 1, and a horizontal bottom plate 2 is connected to a position below the base 1 corresponding to the groove 11; the positioning mechanism comprises two groups of threaded sleeves 4 and bolts 5, the threaded sleeves 4 are arranged in the grooves 11 in a sliding fit mode in a penetrating mode, the two ends of each threaded sleeve 4 extend out of the base 1, and the bottom ends of the threaded sleeves 4 are supported on the bottom plate 2; the clamping mechanism comprises a pressing plate 6, screw rods 7 penetrate through two ends of the pressing plate 6, the bottom ends of the screw rods 7 are fixedly connected to the base 1, and nuts are screwed on the screw rods 7 above the pressing plate 6; preferably, the pressing plate 6 is provided with a v-shaped groove, the v-shaped groove is provided with two inclined planes, clamping force in the vertical direction and the left-right direction is applied to the bearing shell, and the clamping effect is better.

The utility model discloses still include adjustment mechanism 3, adjustment mechanism 3 sets up in the below of slot 11, and is located between two swivel nuts 4, and adjustment mechanism 3 is including revolving block 31, connecting rod 33 and extension spring 32, and the pivot of revolving block 31 is fixed on base 1, and the both ends of revolving block 31 are connected to two swivel nuts 4 through connecting rod 33 respectively, and connecting rod 33 one end articulates in revolving block 31, and the other end fixed connection of connecting rod 33 is in swivel nut 4, and the one end of extension spring 32 is connected on base 1 or bottom plate 2, and the other end of extension spring 32 is connected in the one end of revolving block 31. A push rod 34 is fixedly connected to the rotary block 31.

Preferably, the rotating shaft of the rotating block 31 is collinear with the two threaded sleeves 4, the distance between the two threaded sleeves 4 and the rotating shaft is equal, the hinged points at the two ends of the rotating block 31 are collinear with the rotating shaft, and the vertex of the v-shaped groove vertically corresponds to the position of the rotating shaft of the rotating block 31. Therefore, the bearing shell in bilateral symmetry is accurately positioned by matching a group of symmetrically arranged thread sleeves 4 with the v-shaped groove.

When the bearing shell is used, the push rod 34 is rotated, the two threaded sleeves 4 slide along with the push rod, the distance between the threaded sleeves 4 is adjusted to be a proper distance, the two threaded sleeves 4 are arranged in the positioning holes of the bearing shell in a penetrating mode, and the bolts 5 are screwed tightly. Then, the pressing plate 6 is sleeved on the screw 7, and the nut is screwed down to enable the pressing plate 6 to press the bearing shell. So, realized bearing housing's accurate positioning, and fastening is effectual. The adjusting mechanism 3 is used for adjusting the distance between the two threaded sleeves 4, so that the bearing shell can be suitable for bearing shells of different specifications, and the universality is good.

Claims

1. A bearing shell machining clamp comprises a base (1), a positioning mechanism and a clamping mechanism, and is characterized in that a groove (11) is formed in the middle of the base (1), and a horizontal bottom plate (2) is connected to the position, corresponding to the groove (11), below the base (1); the positioning mechanism comprises two groups of threaded sleeves (4) and bolts (5), the threaded sleeves (4) are arranged in the grooves (11) in a penetrating and matching mode, the bases (1) extend out of two ends of the threaded sleeves (4), and the bottom ends of the threaded sleeves (4) are supported on the bottom plate (2); the clamping mechanism comprises a pressing plate (6), screw rods (7) penetrate through two ends of the pressing plate (6), the bottom ends of the screw rods (7) are fixedly connected to the base (1), and nuts are screwed on the screw rods (7) above the pressing plate (6);

still include adjustment mechanism (3), adjustment mechanism (3) set up in the below of slot (11), and be located between two swivel nuts (4), adjustment mechanism (3) are including revolving block (31), connecting rod (33) and extension spring (32), the pivot of revolving block (31) is fixed on base (1), the both ends of revolving block (31) are connected to two swivel nuts (4) through connecting rod (33) respectively, connecting rod (33) one end articulates in revolving block (31), the other end fixed connection of connecting rod (33) is in swivel nut (4), the one end of extension spring (32) is connected on base (1) or bottom plate (2), the one end of revolving block (31) is connected to the other end of extension spring (32).

2. The bearing housing machining fixture as claimed in claim 1, characterized in that the pressure plate (6) is provided with a v-shaped groove.

3. The bearing housing machining clamp as claimed in claim 1, wherein a rotating shaft of the rotary block (31) is collinear with the two threaded sleeves (4), the two threaded sleeves (4) are spaced from the rotating shaft at equal intervals, and hinge points at two ends of the rotary block (31) are collinear with the rotating shaft.

4. The bearing housing machining jig as claimed in claim 2, wherein the vertex of the v-shaped groove corresponds up and down to the position of the rotating shaft of the rotating block (31).

5. The bearing housing machining clamp as claimed in claim 1, characterized in that a push rod (34) is fixedly connected to the rotary block (31).