Screw thread rolling plate

Abstract

The utility model discloses a screw thread rolling plate which comprises a backup plate and a thread rolling strip which are tightly attached front and back, the upper end face of the thread rolling strip is provided with a first thread rolling die face, the lower end face of the thread rolling strip is provided with a second thread rolling die face, the front side and the rear side of the thread rolling strip are respectively provided with positioning pieces which are symmetrically arranged front and back, and each positioning piece comprises a first column body and a second column body which extend front and back. The diameter of the second cylinder is larger than that of the first cylinder, one end of the first cylinder is connected with the thread rolling strip, and the other end is connected with the second cylinder; a first guide insertion hole and a second guide insertion hole which extend from bottom to top are formed in one end, facing the thread rolling strip, of the backup plate, the width of the first guide insertion hole is equal to the diameter of the first column body, the width of the second guide insertion hole is equal to the diameter of the second column body, one end of the first guide insertion hole is connected with the second guide insertion hole, and the other end of the first guide insertion hole is connected with the outside; the top of the backup plate is provided with a positioning shoulder. The thread rolling plate has the advantages of being capable of being used positively and negatively, convenient to switch, complete in overall function and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of fastener processing, and more specifically, to a screw thread rolling plate. Background Art

[0002] When rolling different screws, rolling plates of different specifications and sizes are required according to different pitch requirements. Since the rolling surface of the rolling plate has a positioning shoulder protruding from the end surface, it cannot be inverted. Otherwise, a rolling template with different pitch specifications and sizes can be arranged on the bottom surface, so that the rolling plate can be used for two purposes. Based on this, the utility model proposes a screw rolling plate. Utility Model Content

[0003] The utility model aims to overcome the deficiencies in the prior art and provide a screw thread rolling plate, which has the characteristics of being both forward and reverse and easy to switch.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model relates to a screw thread rolling plate, comprising a backing plate and a thread rolling strip which are closely attached to each other in the front and back directions, the upper end surface of the thread rolling strip has a first thread rolling die surface, and the lower end surface has a second thread rolling die surface, the front and rear sides of the thread rolling strip are respectively provided with positioning members which are symmetrically arranged in the front and rear directions, the positioning members include a first column and a second column extending in the front and rear directions, the diameter of the second column is larger than the diameter of the first column, one end of the first column is connected to the thread rolling strip, and the other end is connected to the second column;

[0005] A first guide hole and a second guide hole extending from bottom to top are provided at one end of the support plate facing the tooth rolling strip, the width of the first guide hole is equal to the diameter of the first column, the width of the second guide hole is equal to the diameter of the second column, one end of the first guide hole is connected to the second guide hole, and the other end is connected to the outside world, and the top of the support plate has a positioning shoulder extending left and right.

[0006] The utility model is further configured as follows: at least two positioning pieces which are symmetrically arranged on the front and rear sides of the thread rolling strip are respectively provided.

[0007] The utility model is further configured as follows: a first notch is provided at one end of the first thread rolling die surface away from the positioning shoulder; a second notch is provided at one end of the second thread rolling die surface away from the positioning shoulder.

[0008] The utility model is further configured as follows: handles are respectively provided at the left and right ends of the backing plate.

[0009] The utility model is further configured as follows: the longitudinal section of the positioning shoulder is in an isosceles trapezoidal shape.

[0010] In summary, the utility model has the following beneficial effects: the screw thread rolling plate involved in the utility model makes the upper and lower end surfaces of the flippable thread rolling strip flat by setting the positioning shoulder of the protruding top surface on a supporting plate which is kept in a fixed position, so that the upper and lower end surfaces of the thread rolling strip can be arranged with a thread rolling die surface of different specifications and sizes, and it can be flipped to achieve dual use, and the upper and lower switching is also convenient, the overall function is perfect, and the practicality is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a partial structural schematic diagram of the utility model;

[0013] Figure 3 It is a partial structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0014] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0015] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0016] Example 1

[0017] See also Figures 1 to 3 As shown, a screw thread rolling plate involved in this embodiment includes a backing plate 1 and a thread rolling strip 2 which are closely attached to each other front and back, the upper end surface of the thread rolling strip 2 has a first thread rolling die surface 3, and the lower end surface has a second thread rolling die surface 4, and the front and rear sides of the thread rolling strip 2 are respectively provided with positioning members which are symmetrically arranged front and back, and the positioning members include a first column 5 and a second column 6 extending front and back, and the diameter of the second column 6 is larger than the diameter of the first column 5, and one end of the first column 5 is connected to the thread rolling strip 2, and the other end is connected to the second column 6;

[0018] A first guide hole 7 and a second guide hole 8 extending from bottom to top are provided at one end of the back plate facing the tooth rolling strip 2, the width of the first guide hole 7 is equal to the diameter of the first column 5, the width of the second guide hole 8 is equal to the diameter of the second column 6, one end of the first guide hole 7 is connected to the second guide hole 8, and the other end is connected to the outside world, and the top of the back plate 1 has a positioning shoulder 9 extending left and right.

[0019] Furthermore, at least two positioning members are respectively provided on the front and rear sides of the thread rolling strip 2 and are symmetrically arranged.

[0020] Furthermore, a first notch portion 10 is provided at one end of the first thread rolling die surface 3 away from the positioning shoulder 9 ; and a second notch portion 11 is provided at one end of the second thread rolling die surface 4 away from the positioning shoulder 9 .

[0021] Furthermore, the longitudinal section of the positioning shoulder 9 is in the shape of an isosceles trapezoid.

[0022] In this embodiment, first, the first rolling die surface 3 is used to roll the corresponding screws, and the positioning piece on the front side of the rolling strip 2 is connected to the corresponding guide socket on the back plate 1, until the first column 5 slides from bottom to top into the first guide socket 7, and the second column 6 slides from bottom to top into the second guide socket 8, so that the back plate 1 and the rolling strip 2 are spliced ​​together. If the second rolling die surface 4 is needed to roll the corresponding screws, first move the back plate 1 upward to separate the back plate 1 and the rolling strip 2 that were originally spliced ​​together, and then turn the rolling strip 2 180°, until the positioning piece on the rear side of the original rolling strip 2 is connected to the corresponding guide socket on the back plate 1, until the first column 5 slides from bottom to top into the first guide socket 7, and the second column 6 slides from bottom to top into the second guide socket 8, so that the back plate 1 and the rolling strip 2 are spliced ​​together. At this time, the second rolling die surface 4 faces upward to achieve switching between the rolling die surfaces.

[0023] The first notch 10 and the second notch 11 are provided to provide an avoidance function when the screw is threading.

[0024] Example 2

[0025] See also Figures 1 to 3 As shown, the screw thread rolling plate involved in this embodiment is further configured on the basis of Embodiment 1, and handles 12 are respectively provided at the left and right ends of the support plate 1.

[0026] In this embodiment, the handle 12 is provided to lift the backing plate 1 after gripping, so as to separate the backing plate 1 from the tooth rolling strip 2, and facilitate turning over the tooth rolling strip 2.

[0027] The screw thread rolling plate involved in the utility model makes the upper and lower end surfaces of the flippable thread rolling strip flat by arranging the positioning shoulder of the protruding top surface on a supporting plate which is kept in a fixed position, so that the upper and lower end surfaces of the thread rolling strip can be arranged with thread rolling die surfaces of different specifications and sizes, and dual-use is achieved by flipping, and the upper and lower switching is also convenient, the overall function is perfect, and the practicability is strong.

[0028] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0029] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A screw thread rolling plate, characterized in that: It comprises a backing plate and a rolling strip which are closely attached to each other front and back, the upper end surface of the rolling strip has a first rolling die surface, and the lower end surface has a second rolling die surface, the front and rear sides of the rolling strip are respectively provided with positioning members which are symmetrically arranged front and back, the positioning members comprise a first column and a second column extending front and back, the diameter of the second column is larger than the diameter of the first column, one end of the first column is connected to the rolling strip, and the other end is connected to the second column; A first guide hole and a second guide hole extending from bottom to top are provided at one end of the support plate facing the tooth rolling strip, the width of the first guide hole is equal to the diameter of the first column, the width of the second guide hole is equal to the diameter of the second column, one end of the first guide hole is connected to the second guide hole, and the other end is connected to the outside world, and the top of the support plate has a positioning shoulder extending left and right.

2. The screw thread rolling plate according to claim 1, characterized in that: At least two positioning pieces which are symmetrically arranged on the front and rear sides of the thread rolling strip are respectively provided.

3. The screw thread rolling plate according to claim 1 or 2, characterized in that: A first notch is provided at one end of the first rolling die surface away from the positioning shoulder; a second notch is provided at one end of the second rolling die surface away from the positioning shoulder.

4. The screw thread rolling plate according to claim 3, characterized in that: The left and right ends of the backing plate are respectively provided with handles.

5. The screw thread rolling plate according to claim 1, characterized in that: The longitudinal section of the positioning shoulder is in the shape of an isosceles trapezoid.

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