Positioning mechanism for thread rolling machine
By designing a relatively movable positioning roller and arc-shaped seat in the wire rolling machine, the product winding and offset problems caused by manual feeding are solved, and precise positioning and wire rolling processing of shafts of different diameters are achieved. , improves processing accuracy.
Patent Information
- Application Number
- CN202421068635.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-16
AI Technical Summary
In wire rolling machines, due to manual feeding, the product is prone to winding and offset during processing, which affects the processing accuracy.
A positioning mechanism for a wire rolling machine is designed, including a relatively movable positioning roller, an elastic connection of a curved seat and a torsion spring shaft. Through the combination of a hinged seat and a bearing plate, the accuracy of shafts of different diameters is achieved. Positioning and clamping.
It effectively prevents winding and offset of the product during processing, ensures accurate wire rolling processing of different sizes of shafts, and improves processing accuracy.
Smart Images
Figure CN222242450U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of thread rolling machines, in particular to a positioning mechanism for thread rolling machines. Background Art
[0002] With the development of industry, thread rolling machines are usually used in the production of standard and non-standard parts such as screws, bolts, and through-wires. Thread rolling machines are multifunctional cold extrusion forming machines. Thread rolling machines can perform thread, straight, and twill rolling on workpieces in a cold state within the rolling force range, and can roll spur, helical, and helical spline gears, straighten, reduce diameters, roll burnishing, and various forming rolling.
[0003] The main structure of the thread rolling machine includes a frame and a pair of thread rolling shafts. The main axes of the two thread rolling shafts are parallel and located in the same horizontal plane. The thread rolling shafts are used to perform knurling on the product.
[0004] In the related art, manual feeding is adopted for knurling processing, and the staff puts the product into the thread rolling shaft by hand. During the process of rolling the product by the thread rolling shaft, the product will be wound and deviated due to the squeezing of the thread rolling shaft, thereby affecting the accuracy of the thread rolling machine's processing of the product. Utility Model Content
[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0006] In view of the above problems in the background technology, the present utility model is proposed.
[0007] Therefore, an object of the present invention is to provide a positioning mechanism for a thread rolling machine.
[0008] In order to solve the above technical problems, the utility model provides the following technical solutions: a positioning mechanism for a thread rolling machine, comprising: a processing table and two thread rolling shafts rotatably arranged on the top of the processing table; a positioning mechanism is arranged at the feed end of the top of the processing table, which is used to position the shaft rod to be processed; the positioning mechanism comprises two positioning rollers that can move relative to each other, and two ends of the positioning rollers are rotatably arranged with two mutually hinged arc seats 1 and 2, and the arc seats 1 and 2 are rotatably connected with clamping rollers, and the outsides of the shaft rods at the opposite ends of the arc seats 1 and 2 are elastically connected with torsion spring shafts, and the outer walls of the torsion spring shafts are fixedly connected with support rods.
[0009] As a preferred solution of the positioning mechanism for the thread rolling machine described in the utility model, wherein: fixed seats are fixedly installed on both sides of the top of the processing table by bolts, an adjustable movable seat is provided on the inner side of one of the fixed seats, and the two thread rolling shafts are fixedly installed on the end of the other fixed seat opposite to the movable seat through a hinged seat assembly.
[0010] As a preferred solution of the positioning mechanism for the thread rolling machine described in the utility model, wherein: the articulated seat assembly includes a connecting seat, and the two ends of the thread rolling shaft are respectively connected to bearing plate 1 and bearing plate 2, the bearing plate 1 is fixed on the connecting seat, and the bearing plate 2 is movably connected to the connecting seat.
[0011] As a preferred solution of the positioning mechanism for the thread rolling machine described in the utility model, two T-slots are provided at the front ends of the two connecting seats at opposite ends, a T-block is slidably sleeved inside the T-slot, and the second bearing plate is fixedly connected to the T-block by bolts.
[0012] As a preferred solution of the positioning mechanism for the thread rolling machine described in the utility model, the bottom ends of the two groups of support rods are respectively fixedly connected with a fixed plate and a movable plate, the fixed plate is fixed on the processing table, the top end of the processing table and located on the right side of the fixed plate are fixedly connected with two guide rails, the bottom end of the movable plate is fixedly embedded with two sliders through grooves, and the sliders are slidably sleeved on the top of the guide rails.
[0013] As a preferred solution of the positioning mechanism for the thread rolling machine described in the utility model, wherein: an adjusting screw is threadedly inserted on the movable plate through a threaded hole, one end of the adjusting screw is rotatably inserted on the fixed plate, and the other end of the adjusting screw is fixedly connected to a crank.
[0014] The beneficial effects of the utility model are as follows: through the setting of two positioning rollers that can move relative to each other, shaft rods with different diameters can be thread rolled, the axis of the positioning roller and the axis of the thread rolling shaft are in the same horizontal plane, the outer wall of one of the positioning rollers whose position is fixed and the outer wall of one of the thread rolling shafts whose position is fixed are in the same vertical plane, so that when processing shaft rods of different sizes, one side wall of the shaft rod always keeps in contact with the outer wall of the thread rolling shaft, so that the convex thread teeth on the thread rolling shaft are convenient for thread rolling the shaft; through the elastic cooperation of two mutually hinged arc seats one and arc seat two with the torsion spring shaft, the arc seat one and arc seat two can always keep clamping toward the opposite end, so that it is convenient to position and tap the shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0017] Figure 2 For this utility model Figure 1 Top view of the overall structure.
[0018] Figure 3 It is a schematic diagram of the positioning mechanism structure of the utility model.
[0019] Figure 4 For this utility model Figure 3 Main view of the structure.
[0020] Figure 5 This is an exploded view showing the structure of arc seat one and arc seat two of the utility model.
[0021] Figure 6 This is a schematic diagram of the structure of the thread rolling shaft and the hinged assembly of the utility model.
[0022] In the figure: 1, processing table; 2, fixed seat; 3, movable seat; 4, thread rolling shaft; 41, connecting seat; 411, T-slot; 4111, T-block; 42, bearing plate one; 43, bearing plate two; 5, positioning roller; 51, arc seat one; 52, arc seat two; 53, clamping roller; 54, torsion spring shaft; 55, support rod; 56, fixed plate; 57, movable plate; 571, adjusting screw; 58, guide rail; 581, slider. DETAILED DESCRIPTION
[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0025] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.
[0026] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.
[0027] Embodiment 1
[0028] Reference Figure 1 to Figure 6 As shown, a positioning mechanism for a thread rolling machine is provided, comprising: a processing table 1 and two thread rolling shafts 4 rotatably arranged at the top of the processing table 1; fixed seats 2 are fixedly installed on both sides of the top of the processing table 1 by bolts, an adjustable movable seat 3 is arranged on the inner side of one of the fixed seats 2, and the two thread rolling shafts 4 are respectively fixedly installed on the ends of the other fixed seat 2 and the movable seat 3 opposite to each other through hinge seat assemblies; the hinge seat assembly comprises a connecting seat 41, and the two ends of the thread rolling shaft 4 are respectively connected to a bearing plate 1 42 and a bearing plate 2 43, the bearing plate 1 42 is fixed on the connecting seat 41, and the bearing plate 2 43 is connected to the connecting seat 41. The seat 41 is movably connected; the front ends of the two connecting seats 41 opposite to each other are provided with two T-slots 411, the T-block 4111 is slidably sleeved inside the T-slot 411, and the bearing plate 43 is fixedly connected to the T-block 4111 by bolts; the bottom ends of the two groups of support rods 55 are respectively fixedly connected with a fixed plate 56 and a movable plate 57, the fixed plate 56 is fixed on the processing table 1, and the top of the processing table 1 and the right side of the fixed plate 56 are fixedly connected with two guide rails 58, and the bottom end of the movable plate 57 is fixedly embedded with two sliders 581 through grooves, and the sliders 581 are slidably sleeved on the top of the guide rails 58. The above are all prior arts, and will not be described in detail here.
[0029] A positioning mechanism is provided at the feed end at the top of the processing table 1 for positioning the shaft to be processed; the positioning mechanism comprises two positioning rollers 5 which can move relative to each other, and two arc seats 1 51 and arc seats 2 52 which are hinged to each other are rotatably provided at both ends of the positioning rollers 5, and clamping rollers 53 are rotatably connected to the arc seats 1 51 and arc seats 2 52, and the outsides of the shafts at the opposite ends of the arc seats 1 51 and arc seats 2 52 are elastically connected to torsion spring shafts 54, and the outer walls of the torsion spring shafts 54 are fixedly connected to support rods 55; an adjusting screw 571 is threadedly inserted through a threaded hole on the movable plate 57, and one end of the adjusting screw 571 is rotatably inserted into the fixed plate 56, and the other end of the adjusting screw 571 is fixedly connected to a crank; when the adjusting screw 571 is rotated clockwise, the movable plate 57 moves in a direction away from the fixed plate 56; when it is rotated counterclockwise When the adjusting screw rod 571 is turned, the movable plate 57 moves toward the fixed plate 56; through the setting of two relatively movable positioning rollers 5, shafts of different diameters can be rolled, and the axis of the positioning roller 5 and the axis of the rolling shaft 4 are in the same horizontal plane, and the outer wall of one of the positioning rollers 5 whose position is fixed and the outer wall of one of the rolling shafts 4 whose position is fixed are in the same vertical plane, so that when processing shafts of different sizes, one side wall of the shaft always keeps in contact with the outer wall of the rolling shaft 4, so that the convex thread teeth on the rolling shaft 4 are convenient for rolling the shaft; through the elastic cooperation of two mutually hinged arc seats 1 51 and arc seats 2 52 and the torsion spring shaft 54, the arc seats 1 51 and arc seats 2 52 can always keep clamping to the opposite end, so that it is convenient to position and tap the shaft.
[0030] It should be noted that the various standard parts used in the present invention are all available on the market, and non-standard parts can be specially customized. The connection methods adopted in the present invention, such as bolt connection, welding, etc., are also very common means in the mechanical field, and the inventor will not go into details here.
[0031] Operation process: through the setting of two positioning rollers 5 that can move relative to each other, shafts with different diameters can be thread rolled, the axis of the positioning roller 5 and the axis of the thread rolling shaft 4 are in the same horizontal plane, and the outer wall of one of the positioning rollers 5 whose position is fixed and the outer wall of one of the thread rolling shafts 4 whose position is fixed are in the same vertical plane, so that when processing shafts of different sizes, one side wall of the shaft always keeps in contact with the outer wall of the thread rolling shaft 4, so that the convex thread teeth on the thread rolling shaft 4 are convenient for thread rolling the shaft; through the elastic cooperation of two mutually hinged arc seats 1 51 and arc seat 2 52 and the torsion spring shaft 54, the arc seat 1 51 and arc seat 2 52 can always keep clamping to the opposite end, so that it is convenient to position and tap the shaft.
[0032] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A positioning mechanism for a thread rolling machine, comprising: A processing table (1) and two thread rolling shafts (4) rotatably arranged on the top of the processing table (1); The feature is that: a positioning mechanism is provided at the feeding end at the top of the processing table (1) for positioning the shaft to be processed; The positioning mechanism comprises two positioning rollers (5) that can move relative to each other, two arc seats (51) and two arc seats (52) that are hinged to each other are rotatably provided at both ends of the positioning rollers (5), the arc seats (51) and the arc seats (52) are rotatably connected with clamping rollers (53), the outsides of the shafts at the opposite ends of the arc seats (51) and the arc seats (52) are elastically connected with torsion spring shafts (54), and the outer walls of the torsion spring shafts (54) are fixedly connected with support rods (55).
2. The positioning mechanism for a thread rolling machine according to claim 1, characterized in that: Fixed seats (2) are fixedly mounted on both sides of the top of the processing table (1) by means of bolts, an adjustable movable seat (3) is arranged on the inner side of one of the fixed seats (2), and the two thread rolling shafts (4) are respectively fixedly mounted on the end of the other fixed seat (2) opposite to the movable seat (3) by means of hinged seat assemblies.
3. The positioning mechanism for a thread rolling machine according to claim 2, characterized in that: The hinge seat assembly comprises a connecting seat (41), and the two ends of the thread rolling shaft (4) are respectively connected to a bearing plate 1 (42) and a bearing plate 2 (43), the bearing plate 1 (42) is fixed on the connecting seat (41), and the bearing plate 2 (43) is movably connected to the connecting seat (41).
4. The positioning mechanism for a thread rolling machine according to claim 3, characterized in that: Two T-shaped slots (411) are provided at the front ends of the two connecting seats (41) at opposite ends, a T-shaped block (4111) is slidably sleeved inside the T-shaped slot (411), and the second bearing plate (43) is fixedly connected to the T-shaped block (4111) by bolts.
5. The positioning mechanism for a thread rolling machine according to claim 1, characterized in that: The bottom ends of the two groups of support rods (55) are respectively fixedly connected to a fixed plate (56) and a movable plate (57); the fixed plate (56) is fixed on the processing table (1); two guide rails (58) are fixedly connected to the top of the processing table (1) and located on the right side of the fixed plate (56); two sliders (581) are fixedly embedded in the bottom end of the movable plate (57) through grooves; the sliders (581) are slidably sleeved on the top of the guide rails (58).
6. The positioning mechanism for a thread rolling machine according to claim 5, characterized in that: An adjusting screw rod (571) is threadedly inserted into the movable plate (57) through a threaded hole. One end of the adjusting screw rod (571) is rotatably inserted into the fixed plate (56), and the other end of the adjusting screw rod (571) is fixedly connected to a crank.