Special clamp for shaft parts

Abstract

The utility model discloses a special fixture for shaft parts, relates to the technical field of fixtures for shaft parts, and solves the problems that continuous radial rotation production or continuous axial sliding production needs to be carried out on the shaft parts, and the existing fixture generally can only meet the static fixing and limiting requirements of the shaft parts, so that the production cost is low. And different production requirements are difficult to meet. The utility model discloses a special fixture for shaft parts. The special fixture comprises a base; the base is of an L-shaped plate structure, and a penetrating type circular through groove structure is formed in the rear side of the base. A cylindrical rotating shaft is rotationally arranged in the circular through groove in the rear side of the base; the two sides of the rotating shaft are each fixedly provided with a set of connecting rods of an E-shaped rod structure. Two groups of mounting rings are fixedly arranged between the two groups of connecting rods; a motor is fixedly arranged on the front side of the top of the base; according to the part limiting and fixing device, a part can move dynamically and regularly while the part is limited and fixed, machining operation of the part in different directions is facilitated, and different machining requirements are met.

Description

Technical Field

[0001] The utility model belongs to the technical field of shaft part fixtures, and more specifically, particularly relates to a special fixture for shaft parts. Background Art

[0002] Shaft parts are one of the typical parts often encountered in hardware accessories. They are mainly used to support transmission components, transmit torque and bear loads. According to the different structural forms of shaft parts, they can generally be divided into three categories: smooth shafts, stepped shafts and special-shaped shafts; or into solid shafts, hollow shafts, etc.

[0003] After searching, for example, the patent number CN202377806U discloses a shaft fixture, including a top, a blade seat, and a connecting plate fixedly connected to the bottom of the blade seat, the blade seat is provided with a spring installation cavity located at the bottom and a top installation cavity located at the top, the top is axially movably assembled in the top installation cavity, and the length of the top is greater than the length of the top installation cavity, and less than the sum of the lengths of the top installation cavity and the spring installation cavity, a spring is provided in the spring installation cavity, and the two ends of the spring are respectively against the bottom of the top and the connecting plate. The shaft fixture of the utility model can not only effectively clamp the workpiece, but also has high workpiece clamping accuracy and a simple clamping process, and can achieve clamping even when the workpiece does not have enough clamping parts.

[0004] The current shaft parts fixtures still have the following shortcomings:

[0005] In the production process of shaft parts, in some production processes, the shaft parts need to be continuously rotated radially or slid axially. This requires the fixture to be able to meet the displacement needs of the parts while positioning the parts well. However, the current fixtures can usually only meet the static fixing and limiting needs of shaft parts, which is difficult to meet different production needs. Utility Model Content

[0006] In order to solve the above-mentioned technical problems, the utility model provides a special clamp for shaft parts to solve the problem that the shaft parts need to be continuously rotated radially or continuously axially slidably produced as mentioned in the above-mentioned background technology, while the current clamps can usually only meet the needs of static fixed limiting of shaft parts and are difficult to meet different production needs.

[0007] The purpose and effect of the special fixture for shaft parts of the utility model are achieved by the following specific technical means:

[0008] A special fixture for shaft parts, comprising: a base; the base adopts an L-shaped plate structure, and the rear side of the base is provided with a penetrating circular through-slot structure; a cylindrical rotating shaft is rotatably arranged in the circular through-slot on the rear side of the base, and the front side of the rotating shaft is provided with a penetrating circular through-slot structure; a group of connecting rods with an E-shaped rod structure are fixedly arranged on both sides of the rotating shaft; two groups of mounting rings are fixedly arranged between the two groups of connecting rods; a motor is fixedly arranged on the top front side of the base; a small gear is arranged on the front side of the motor for transmission connection.

[0009] Furthermore, a cylinder is fixedly arranged in the circular through groove of the rotating shaft; a large gear is fixedly connected between the two sets of mounting rings, and the large gear is meshingly connected with the small gear.

[0010] Furthermore, the mounting ring adopts a circular ring structure, and the two groups of mounting rings are symmetrically arranged front to back, a circular ring groove structure is provided on one side of the mounting ring, and four groups of through-type rectangular through-groove structures are provided on the outer side of the mounting ring in a circular array; a control ring with a circular ring structure is rotatably arranged in the circular ring groove on one side of the mounting ring, and a threaded groove structure is provided on the right side of the control ring; a group of cylindrical operating rods are fixedly arranged on both sides of the outer end surface of the control ring; a slider with a rectangular block structure is slidably arranged in the rectangular through groove on the outer side of the mounting ring, a threaded groove structure is provided on one side of the slider, and the threaded groove on one side of the slider is meshed with the control ring, a rectangular cavity structure is provided on the inner end of the slider, and a through-type screw hole structure is provided on the outer end of the slider; a clamping block with an arc plate structure is fixedly arranged on the inner end of the slider, and a through-type rectangular through-groove structure is provided on the inner side of the clamping block.

[0011] Furthermore, a sliding rod with a cylindrical structure is slidably provided on the outer end of the slider; a fixing plate is fixedly provided on the inner end of the sliding rod, and the fixing plate adopts a U-shaped plate structure; a cylindrical roller is rotatably provided on the inner side of the fixing plate; a screw is rotatably provided on the outer end of the fixing plate, and the screw is connected to the screw hole on the slider through threaded cooperation.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] Through the cooperation of each group of parts in the present application, in the production process of shaft parts, the shaft parts can be fixed and limitedly clamped by the cooperation of each group of clamps, and the fixing function of shaft parts with different diameters can be satisfied by adjusting the positions of each group of clamps. After fixed clamping by the clamps, the two groups of mounting rings can be driven to rotate by starting the motor, thereby synchronously driving the clamps and the shaft parts fixed by the clamps to rotate, thereby achieving the purpose of continuous rotation processing of the parts.

[0014] When it is necessary to perform axial sliding processing on the parts, each group of rollers is extended from the rectangular through slot in the middle of the clamping block so that each group of rollers contacts the outer surface of the shaft parts. Then, the parts can be driven by the cylinder to slide back and forth on the inner side of each group of clamping blocks, which is convenient for axial processing operations on the shaft parts. During the whole processing process, the parts can be fixed in a limited position while being allowed to move dynamically and regularly, which is convenient for processing operations on the parts in different directions, meeting different processing needs and increasing the functionality and practicality of the fixture equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall axial structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the overall front structure of the utility model.

[0017] Figure 3 It is a schematic diagram of the overall side structure of the utility model.

[0018] Figure 4 It is a schematic diagram of the overall top view structure of the utility model.

[0019] Figure 5 It is a schematic diagram of the disassembly structure of the installation ring of the utility model.

[0020] Figure 6 It is a schematic diagram of the cross-sectional structure of the slider of the utility model.

[0021] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0022] 1. Base; 101. Rotating shaft; 102. Cylinder; 103. Connecting rod; 104. Large gear; 105. Motor; 106. Small gear; 2. Mounting ring; 201. Control ring; 202. Operating lever; 203. Sliding block; 204. Clamping block; 205. Sliding rod; 206. Fixing plate; 207. Roller; 208. Screw. DETAILED DESCRIPTION

[0023] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0024] Embodiment 1:

[0025] As attached Figure 1 To Attachment Figure 6 As shown:

[0026] The utility model provides a special clamp for shaft parts, comprising: a base 1; the base 1 adopts an L-shaped plate structure, and a through-type circular through-slot structure is provided on the rear side of the base 1; a cylindrical rotating shaft 101 is rotatably arranged in the circular through-slot on the rear side of the base 1, and a through-type circular through-slot structure is provided on the front side of the rotating shaft 101; a group of connecting rods 103 of an E-shaped rod structure are fixedly arranged on both sides of the rotating shaft 101; two groups of mounting rings 2 are fixedly arranged between the two groups of connecting rods 103; a motor 105 is fixedly arranged on the top front side of the base 1; a small gear 106 is provided on the front side of the motor 105 for transmission connection.

[0027] Among them, the mounting ring 2 adopts a circular ring structure, and two groups of mounting rings 2 are symmetrically arranged front and back, a circular ring groove structure is opened on one side of the mounting ring 2, and four groups of through-type rectangular through-groove structures are opened on the outer side of the mounting ring 2 in a circular array; a control ring 201 with a circular ring structure is rotatably arranged in the circular ring groove on one side of the mounting ring 2, and a threaded groove structure is opened on the right side of the control ring 201; a group of cylindrical operating rods 202 are fixedly arranged on both sides of the outer end surface of the control ring 201; a slider 203 with a rectangular block structure is slidably arranged in the rectangular through groove on the outer side of the mounting ring 2, a threaded groove structure is opened on one side of the slider 203, and the threaded groove on one side of the slider 203 is meshed and connected with the control ring 201, a rectangular cavity structure is opened on the inner side end of the slider 203, and a through-type screw hole structure is opened on the outer side end of the slider 203; a clamping block 204 with an arc plate structure is fixedly arranged on the inner side end of the slider 203, and a through-type rectangular through-groove structure is opened on the inner side of the clamping block 204.

[0028] After the parts are fixedly clamped by each group of clamping blocks 204, the motor 105 is started to drive the small gear 106 to rotate, and the small gear 106 drives the large gear 104 to rotate. The large gear 104 synchronously drives the two groups of mounting rings 2 to rotate, and synchronously drives the connecting rod 103 and the rotating shaft 101 to rotate on the base 1, thereby synchronously driving the parts inside the two groups of mounting rings 2 to perform continuous rotational motion, which is convenient for the rotational production of the parts.

[0029] Embodiment 2:

[0030] Based on Example 1, as shown in the attached Figure 1 To Attachment Figure 6 As shown:

[0031] A cylinder 102 is fixedly arranged in the circular through groove of the rotating shaft 101 ; a large gear 104 is fixedly connected between the two sets of mounting rings 2 , and the large gear 104 is meshingly connected with the small gear 106 .

[0032] Among them, a cylindrical sliding rod 205 is slidably provided on the outer end of the slider 203; a fixing plate 206 is fixedly provided on the inner end of the sliding rod 205, and the fixing plate 206 adopts a U-shaped plate structure; a cylindrical roller 207 is rotatably provided on the inner side of the fixing plate 206; a screw rod 208 is rotatably provided on the outer end of the fixing plate 206, and the screw rod 208 is connected to the screw hole on the slider 203 through threaded matching.

[0033] When it is necessary to continuously slide the parts forward and backward during production, each set of screw rods 208 can be rotated to drive each set of fixed plates 206 and sliding rods 205 to slide along the cavity structure inside the slider 203. During the sliding of the fixed plates 206 and sliding rods 205, the rollers 207 are synchronously driven to move, and the rollers 207 slide along the rectangular through groove in the middle of the clamping block 204 to the inside of the slider 203. At this time, each set of rollers 207 is directly in contact with the outer surface of the part, and the part is limited by the cooperation of each set of rollers 207. Then, the cylinder 102 is started to push the part to slide forward on the inside of the two sets of mounting rings 2.

[0034] The specific usage and function of this embodiment are as follows:

[0035] In the utility model, when in use, the shaft parts are inserted from the middle of the front group of mounting rings 2 into the inner sides of the two groups of mounting rings 2, and then the two groups of control rings 201 are rotated respectively, and the threaded grooves on one side of the control ring 201 cooperate with the threaded grooves on each group of sliders 203 to drive each group of sliders 203 to slide inward along the groups of rectangular through grooves on the outer sides of the mounting rings 2, thereby synchronously driving each group of clamping blocks 204 to slide inward, and through the cooperation of each group of clamping blocks 204, the parts are fixedly clamped. When it is necessary to continuously slide the parts back and forth in production, each group of fixing plates 206 and sliding rods 205 can be driven to slide along the cavity structure on the inner side of the sliders 203 by rotating each group of screw rods 208 respectively. During the sliding process of the fixing plates 206 and the sliding rods 205, the rollers 207 are synchronously driven to move, and the rollers 207 slide along the rectangular through grooves in the middle of the clamping blocks 204 until At the inner side of the slider 203, at this time, each group of rollers 207 is directly in contact with the outer surface of the part, and the part is limited by the cooperation of each group of rollers 207, and then the cylinder 102 is started, and the part is pushed by the cylinder 102 to slide forward on the inner side of the two groups of mounting rings 2. With the cooperation of each group of rollers 207, it is easier to slide the parts, thereby facilitating the forward and backward sliding production of the parts; when it is necessary to continuously rotate the parts, after the parts are fixedly clamped by each group of clamping blocks 204, the motor 105 is started to drive the small gear 106 to rotate, and the small gear 106 drives the large gear 104 to rotate, and the large gear 104 synchronously drives the two groups of mounting rings 2 to rotate, and synchronously drives the connecting rod 103 and the rotating shaft 101 to rotate on the base 1, thereby synchronously driving the parts on the inner side of the two groups of mounting rings 2 to perform continuous rotational motion, which is convenient for rotating the parts.

Claims

1. A special fixture for shaft parts, characterized in that: include: A base (1); the base (1) adopts an L-shaped plate structure, and a through-type circular through-slot structure is provided on the rear side of the base (1); a cylindrical rotating shaft (101) is rotatably arranged in the circular through-slot on the rear side of the base (1), and a through-type circular through-slot structure is provided on the front side of the rotating shaft (101); a group of connecting rods (103) of an E-shaped rod structure are fixedly arranged on both sides of the rotating shaft (101); two groups of mounting rings (2) are fixedly arranged between the two groups of connecting rods (103); a motor (105) is fixedly arranged on the top front side of the base (1); and a small gear (106) is provided on the front side of the motor (105) for transmission connection.

2. A special fixture for shaft parts as claimed in claim 1, characterized in that: A cylinder (102) is fixedly arranged in the circular through groove of the rotating shaft (101); a large gear (104) is fixedly connected between the two sets of mounting rings (2), and the large gear (104) is meshingly connected with a small gear (106).

3. A special fixture for shaft parts as claimed in claim 1, characterized in that: The mounting ring (2) adopts a circular ring structure, and two groups of mounting rings (2) are symmetrically arranged front and back. A circular ring groove structure is provided on one side of the mounting ring (2), and four groups of through-type rectangular through groove structures are provided in a circular array on the outside of the mounting ring (2).

4. A special fixture for shaft parts as claimed in claim 3, characterized in that: A control ring (201) with a circular structure is rotatably arranged in the circular groove on one side of the mounting ring (2), and a thread groove structure is provided on the right side of the control ring (201); and a group of cylindrical operating rods (202) are fixedly arranged on both sides of the outer end surface of the control ring (201).

5. A special fixture for shaft parts as claimed in claim 3, characterized in that: A slider (203) with a rectangular block structure is slidably arranged in the rectangular through groove on the outer side of the mounting ring (2); a threaded groove structure is provided on one side of the slider (203), and the threaded groove on one side of the slider (203) is meshedly connected with the control ring (201); a rectangular cavity structure is provided on the inner side end of the slider (203), and a through-type screw hole structure is provided on the outer side end of the slider (203); a clamping block (204) with an arc plate structure is fixedly arranged on the inner side end of the slider (203), and a through-type rectangular through groove structure is provided on the inner side of the clamping block (204).

6. A special fixture for shaft parts as claimed in claim 5, characterized in that: A cylindrical sliding rod (205) is slidably disposed at the outer end of the sliding block (203); a fixing plate (206) is fixedly disposed at the inner end of the sliding rod (205), and the fixing plate (206) adopts a U-shaped plate structure.

7. A special fixture for shaft parts as claimed in claim 6, characterized in that: A cylindrical roller (207) is rotatably arranged on the inner side of the fixing plate (206); a screw rod (208) is rotatably arranged on the outer end of the fixing plate (206), and the screw rod (208) is connected to a screw hole on the slider (203) through threaded matching.

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