Batch positioning clamp for machine table positioning blocks

Abstract

The utility model discloses a machine table positioning block batch positioning clamp which comprises a carrying table and a plurality of clamping positions arranged on the carrying table, each clamping position comprises a cylindrical positioning part and a positioning pin, the positioning pin is arranged on the side face of the cylindrical positioning part, the cylindrical positioning part is used for positioning the center position of a workpiece, and the cylindrical positioning part is used for positioning the center position of the workpiece. The positioning pin is used for positioning the direction of a workpiece; taper guides are arranged on the sides, away from the carrying table, of the cylindrical positioning pin and the positioning pin. According to the batch positioning clamp for the machine table positioning blocks, the center positions of workpieces are positioned through the cylinders arranged at the multiple clamping positions on the carrying table, the clamping directions of the workpieces are positioned through the positioning pins, multiple workpieces can be clamped at a time, the workpieces do not need to be corrected repeatedly, automatic machining can be achieved, the machining time is greatly shortened, and the machining efficiency is improved. And meanwhile, the operation requirement for technicians is lowered, common operators can complete operation, bad products caused by manual operation errors are reduced, the cost is greatly lowered, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a batch positioning fixture for a machine positioning block, belonging to the technical field of batch positioning fixtures. Background Art

[0002] For the commonly used batch products such as machine positioning blocks for hot stamping dies, they are generally used in stages, so they are often processed and used in a targeted manner, such as Figure 3 As shown, a center blind hole A is provided at the center of the back of the positioning block of the machine, and a positioning hole B is provided at each of the four corners. In subsequent processing, a rectangular groove C needs to be opened through the center blind hole A, and a hole D needs to be opened between the two sets of positioning holes B. Currently, most of them adopt the method of single-person single-piece processing. Since the single-piece processing time is long and the cost is high, and it is easy to cause workpiece defects due to human operation errors; in this case, a batch of inventory spare parts can be made in advance for use. At this time, it is necessary to use some special fixtures that can quickly clamp multiple workpieces at a time to simplify the operation process, improve processing efficiency, optimize processing quality, and avoid product defects due to human operation. The above conditions must be met, and the design of the fixture is particularly important at this time;

[0003] It can be seen that in order to solve the above technical problems and realize batch positioning of workpieces, a batch positioning fixture for machine positioning blocks is urgently needed. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a batch positioning fixture for machine positioning blocks. The cylindrical positioning device arranged at multiple clamping positions on the carrier locates the center position of the workpiece, and the positioning pin locates the clamping direction of the workpiece. Multiple workpieces can be clamped at one time without repeated correction of the workpiece, and automated processing can be realized, which greatly shortens the processing time and reduces the operating requirements for technicians. Ordinary operators can complete the process, thereby reducing product defects caused by human operating errors, greatly reducing costs, and improving processing efficiency.

[0005] In order to achieve the above purpose / solve the above technical problems, the utility model adopts the following technical solutions: a batch positioning fixture for machine positioning blocks, comprising a carrier and a plurality of clamping positions arranged on the carrier, wherein:

[0006] The clamping position includes a cylindrical positioning and a positioning pin, wherein the positioning pin is arranged on the side of the cylindrical positioning, the cylindrical positioning is used to locate the center position of the workpiece, and the positioning pin is used to locate the direction of the workpiece;

[0007] The cylindrical positioning and positioning pin are both provided with a tapered guide on the side away from the carrier, the cylindrical positioning and the central blind hole on the back of the workpiece to be clamped are adapted, and the positioning pin is adapted to the positioning hole on the back of the workpiece to be clamped. After the cylindrical positioning and the positioning pin complete the positioning of the workpiece, the workpiece is locked by screws.

[0008] Furthermore, there are two positioning pins on each clamping position, and the two positioning pins are symmetrically arranged at the lower left corner and the upper right corner of the circular positioning.

[0009] Furthermore, it also includes fixing holes, which are used to cooperate with screws to achieve positioning of the workpiece. There are two fixing holes on each clamping position, and the two fixing holes are symmetrically arranged at the upper left corner and the lower right corner of the circular positioning.

[0010] Furthermore, it also includes an avoidance groove, which is arranged in the middle of the cylindrical positioning and is used for processing avoidance.

[0011] Furthermore, it also includes avoidance holes, and the number of avoidance holes on each clamping position is two, and the two avoidance holes are respectively arranged on the upper and lower sides of the cylindrical positioning.

[0012] Furthermore, the positioning pin is conical.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The batch positioning fixture of the machine positioning block provided by the utility model can position the center position of the workpiece through the cylindrical positioning of the multiple clamping positions on the carrier, and the positioning pin can position the clamping direction of the workpiece, so that multiple workpieces can be clamped at one time without repeated correction of the workpiece, and automatic processing can be realized, which greatly shortens the processing time and reduces the operation requirements for technicians. Ordinary operators can complete the process, which reduces product defects caused by human operation errors, greatly reduces costs, and improves processing efficiency.

[0015] The batch positioning fixture of the machine positioning block provided by the utility model is provided with an avoidance groove to escape cutting and avoid the tool when processing the through-type rectangular groove of the workpiece, so as to reduce the cost and increase the efficiency, and at the same time prevent the tool from pressing against the bottom during processing to improve the processing accuracy;

[0016] The batch positioning fixture of the machine positioning block provided by the utility model is provided with an avoidance hole to escape cutting and avoid the tool when processing the hole of the workpiece, and at the same time prevent the tool from pressing against the bottom during processing to improve the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the state of the machine positioning block batch positioning fixture provided in the first embodiment after clamping;

[0018] Figure 2 yes Figure 1 The schematic diagram of the clamping process of the batch positioning fixture of the machine positioning block shown;

[0019] Figure 3 It is a structural schematic diagram of the back side view of the machine positioning block to be clamped.

[0020] In the figure: 1. Carrier; 2. Avoidance hole; 3. Avoidance groove; 4. Taper guide; 5. Cylindrical positioning; 6. Tapered positioning pin; 7. Screw. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model.

[0022] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 mechanical connection or an electrical connection; it can be a direct connection, or it can be 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 by specific circumstances. Embodiment 1

[0024] like Figure 1 and Figure 2 As shown, this embodiment provides a batch positioning fixture for a machine positioning block, comprising a carrier 1 and a plurality of clamping positions arranged on the carrier 1, wherein:

[0025] The clamping position includes a cylindrical positioning 5 and a positioning pin 6, wherein the positioning pin 6 is arranged on the side of the cylindrical positioning, the cylindrical positioning 5 is used to locate the center position of the workpiece, and the positioning pin 6 is used to locate the direction of the workpiece;

[0026] The cylindrical positioning 5 and the positioning pin 6 are both provided with a tapered guide 4 on the side away from the carrier 1, the cylindrical positioning 5 is adapted to the central blind hole on the back side of the workpiece to be clamped, and the positioning pin 6 is adapted to the positioning hole on the back side of the workpiece to be clamped. After the cylindrical positioning 5 and the positioning pin 6 complete the positioning of the workpiece, the workpiece is locked by the screw 7.

[0027] In order to achieve the matching of the locating pin 6 with the locating hole on the back of the workpiece to be clamped, there are two locating pins 6 on each clamping position. The two locating pins 6 are symmetrically arranged at the lower left corner and upper right corner of the circular positioning 5 to lock the workpiece in the diagonal direction to ensure stability during positioning.

[0028] In order to cooperate with the screw 7 to achieve the positioning of the workpiece, it also includes fixing holes. There are two fixing holes on each clamping position. The two fixing holes are symmetrically arranged at the upper left corner and the lower right corner of the circular positioning 5. The two fixing holes and the two positioning pins 6 are arranged just to cooperate with the four positioning holes on the back of the workpiece, so as to achieve the clamping and positioning of the workpiece while making full use of the structural characteristics of the workpiece.

[0029] In order to escape and avoid the tool when processing the through rectangular groove of the workpiece to reduce costs and increase efficiency, and at the same time prevent the tool from pressing against the bottom during processing to improve processing accuracy, an avoidance groove 3 is also included, and the avoidance groove 3 is arranged in the middle of the cylindrical positioning 5 for processing avoidance.

[0030] In order to escape and avoid the tool when machining the hole of the workpiece, and at the same time prevent the tool from pressing against the bottom during machining to improve the machining accuracy, it also includes an avoidance hole 2. There are two avoidance holes 2 on each clamping position, and the two avoidance holes 2 are respectively arranged on the upper and lower sides of the cylindrical positioning 5.

[0031] In this embodiment, the positioning pin 6 is conical, but not limited to this. The positioning pin 6 can also be other shapes, such as cylindrical or square, to cooperate with the conical guide 4 to achieve guide positioning. The specific shape of the positioning pin 6 can be selected according to actual conditions, as long as the positioning of the workpiece can be achieved.

[0032] To summarize, the batch positioning fixture for machine positioning blocks provided in the present embodiment can position the center position of the workpiece through the cylindrical positioning 5 arranged at multiple clamping positions on the carrier 1, and the positioning pin 6 can position the clamping direction of the workpiece, so that multiple workpieces can be clamped at one time without repeated correction of the workpieces, and automated processing can be realized, which greatly shortens the processing time and reduces the operating requirements for technicians. Ordinary operators can complete the process, reducing product defects caused by human operating errors, greatly reducing costs, and improving processing efficiency; by setting the avoidance groove 3, the tool can be avoided when processing the through-type rectangular groove of the workpiece to reduce costs and increase efficiency, and the tool can be prevented from pressing against the bottom during processing to improve processing accuracy; by setting the avoidance hole 2, the tool can be avoided when processing the hole of the workpiece to avoid cutting and avoid the tool, and the tool can be prevented from pressing against the bottom during processing to improve processing accuracy.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A batch positioning fixture for machine positioning blocks, characterized in that: It comprises a carrier (1) and a plurality of clamping positions arranged on the carrier (1), wherein: The clamping position comprises a cylindrical positioning member (5) and a positioning pin (6), wherein the positioning pin (6) is arranged on the side of the cylindrical positioning member, the cylindrical positioning member (5) is used to locate the center position of the workpiece, and the positioning pin (6) is used to locate the direction of the workpiece; The cylindrical positioning (5) and the positioning pin (6) are both provided with a tapered guide (4) on the side away from the carrier (1); the cylindrical positioning (5) is matched with the central blind hole on the back of the workpiece to be clamped; the positioning pin (6) is matched with the positioning hole on the back of the workpiece to be clamped; after the cylindrical positioning (5) and the positioning pin (6) complete the positioning of the workpiece, the workpiece is locked by a screw (7).

2. The batch positioning fixture for machine positioning blocks according to claim 1, characterized in that: The number of positioning pins (6) on each clamping position is two, and the two positioning pins (6) are symmetrically arranged at the lower left corner and the upper right corner of the cylindrical positioning (5).

3. The batch positioning fixture for machine positioning blocks according to claim 2, characterized in that: It also includes fixing holes, which are used to cooperate with screws (7) to achieve positioning of the workpiece. There are two fixing holes on each clamping position, and the two fixing holes are symmetrically arranged at the upper left corner and the lower right corner of the cylindrical positioning (5).

4. The batch positioning fixture for machine positioning blocks according to claim 1, characterized in that: It also includes an avoidance groove (3), which is arranged in the middle of the cylindrical positioning (5) and is used for processing avoidance.

5. The batch positioning fixture for machine positioning blocks according to claim 4, characterized in that: It also includes avoidance holes (2), with two avoidance holes (2) on each clamping position, and the two avoidance holes (2) are respectively arranged on the upper and lower sides of the cylindrical positioning (5).

6. The batch positioning fixture for machine positioning blocks according to claim 1, characterized in that: The positioning pin (6) is tapered.

Images